16855528040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{1933}}^1$

素因数の和:2407

約数の個数: 128

約数和(自身を含む): 41962384800

約数和(自身を除く): 25106856760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 409, 410, 520, 533, 818, 820, 1066, 1636, 1640, 1933, 2045, 2132, 2665, 3272, 3866, 4090, 4264, 5317, 5330, 7732, 8180, 9665, 10634, 10660, 15464, 16360, 16769, 19330, 21268, 21320, 25129, 26585, 33538, 38660, 42536, 50258, 53170, 67076, 77320, 79253, 83845, 100516, 106340, 125645, 134152, 158506, 167690, 201032, 212680, 217997, 251290, 317012, 335380, 396265, 435994, 502580, 634024, 670760, 790597, 792530, 871988, 1005160, 1030289, 1089985, 1581194, 1585060, 1743976, 2060578, 2179970, 3162388, 3170120, 3952985, 4121156, 4359940, 5151445, 6324776, 7905970, 8242312, 8719880, 10277761, 10302890, 15811940, 20555522, 20605780, 31623880, 32414477, 41111044, 41211560, 51388805, 64828954, 82222088, 102777610, 129657908, 162072385, 205555220, 259315816, 324144770, 411110440, 421388201, 648289540, 842776402, 1296579080, 1685552804, 2106941005, 3371105608, 4213882010, 8427764020, 16855528040]

約数ペア:

[(1, 16855528040), (2, 8427764020), (4, 4213882010), (5, 3371105608), (8, 2106941005), (10, 1685552804), (13, 1296579080), (20, 842776402), (26, 648289540), (40, 421388201), (41, 411110440), (52, 324144770), (65, 259315816), (82, 205555220), (104, 162072385), (130, 129657908), (164, 102777610), (205, 82222088), (260, 64828954), (328, 51388805), (409, 41211560), (410, 41111044), (520, 32414477), (533, 31623880), (818, 20605780), (820, 20555522), (1066, 15811940), (1636, 10302890), (1640, 10277761), (1933, 8719880), (2045, 8242312), (2132, 7905970), (2665, 6324776), (3272, 5151445), (3866, 4359940), (4090, 4121156), (4264, 3952985), (5317, 3170120), (5330, 3162388), (7732, 2179970), (8180, 2060578), (9665, 1743976), (10634, 1585060), (10660, 1581194), (15464, 1089985), (16360, 1030289), (16769, 1005160), (19330, 871988), (21268, 792530), (21320, 790597), (25129, 670760), (26585, 634024), (33538, 502580), (38660, 435994), (42536, 396265), (50258, 335380), (53170, 317012), (67076, 251290), (77320, 217997), (79253, 212680), (83845, 201032), (100516, 167690), (106340, 158506), (125645, 134152)]