16810820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 41489280

約数和(自身を除く): 24678460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 83, 95, 130, 164, 166, 190, 205, 247, 260, 332, 380, 410, 415, 494, 533, 779, 820, 830, 988, 1066, 1079, 1235, 1558, 1577, 1660, 2132, 2158, 2470, 2665, 3116, 3154, 3403, 3895, 4316, 4940, 5330, 5395, 6308, 6806, 7790, 7885, 10127, 10660, 10790, 13612, 15580, 15770, 17015, 20254, 20501, 21580, 31540, 34030, 40508, 41002, 44239, 50635, 64657, 68060, 82004, 88478, 101270, 102505, 129314, 176956, 202540, 205010, 221195, 258628, 323285, 410020, 442390, 646570, 840541, 884780, 1293140, 1681082, 3362164, 4202705, 8405410, 16810820]

約数ペア:

[(1, 16810820), (2, 8405410), (4, 4202705), (5, 3362164), (10, 1681082), (13, 1293140), (19, 884780), (20, 840541), (26, 646570), (38, 442390), (41, 410020), (52, 323285), (65, 258628), (76, 221195), (82, 205010), (83, 202540), (95, 176956), (130, 129314), (164, 102505), (166, 101270), (190, 88478), (205, 82004), (247, 68060), (260, 64657), (332, 50635), (380, 44239), (410, 41002), (415, 40508), (494, 34030), (533, 31540), (779, 21580), (820, 20501), (830, 20254), (988, 17015), (1066, 15770), (1079, 15580), (1235, 13612), (1558, 10790), (1577, 10660), (1660, 10127), (2132, 7885), (2158, 7790), (2470, 6806), (2665, 6308), (3116, 5395), (3154, 5330), (3403, 4940), (3895, 4316)]