31885840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 85744512

約数和(自身を除く): 53858672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 587, 679, 776, 970, 1174, 1358, 1552, 1940, 2348, 2716, 2935, 3395, 3880, 4109, 4696, 5432, 5870, 6790, 7760, 8218, 9392, 10864, 11740, 13580, 16436, 20545, 23480, 27160, 32872, 41090, 46960, 54320, 56939, 65744, 82180, 113878, 164360, 227756, 284695, 328720, 398573, 455512, 569390, 797146, 911024, 1138780, 1594292, 1992865, 2277560, 3188584, 3985730, 4555120, 6377168, 7971460, 15942920, 31885840]

約数ペア:

[(1, 31885840), (2, 15942920), (4, 7971460), (5, 6377168), (7, 4555120), (8, 3985730), (10, 3188584), (14, 2277560), (16, 1992865), (20, 1594292), (28, 1138780), (35, 911024), (40, 797146), (56, 569390), (70, 455512), (80, 398573), (97, 328720), (112, 284695), (140, 227756), (194, 164360), (280, 113878), (388, 82180), (485, 65744), (560, 56939), (587, 54320), (679, 46960), (776, 41090), (970, 32872), (1174, 27160), (1358, 23480), (1552, 20545), (1940, 16436), (2348, 13580), (2716, 11740), (2935, 10864), (3395, 9392), (3880, 8218), (4109, 7760), (4696, 6790), (5432, 5870)]