28203080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 67359600

約数和(自身を除く): 39156520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 593, 820, 1160, 1186, 1189, 1640, 2372, 2378, 2965, 4744, 4756, 5930, 5945, 9512, 11860, 11890, 17197, 23720, 23780, 24313, 34394, 47560, 48626, 68788, 85985, 97252, 121565, 137576, 171970, 194504, 243130, 343940, 486260, 687880, 705077, 972520, 1410154, 2820308, 3525385, 5640616, 7050770, 14101540, 28203080]

約数ペア:

[(1, 28203080), (2, 14101540), (4, 7050770), (5, 5640616), (8, 3525385), (10, 2820308), (20, 1410154), (29, 972520), (40, 705077), (41, 687880), (58, 486260), (82, 343940), (116, 243130), (145, 194504), (164, 171970), (205, 137576), (232, 121565), (290, 97252), (328, 85985), (410, 68788), (580, 48626), (593, 47560), (820, 34394), (1160, 24313), (1186, 23780), (1189, 23720), (1640, 17197), (2372, 11890), (2378, 11860), (2965, 9512), (4744, 5945), (4756, 5930)]