31342640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 84286272

約数和(自身を除く): 52943632

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, 577, 679, 776, 970, 1154, 1358, 1552, 1940, 2308, 2716, 2885, 3395, 3880, 4039, 4616, 5432, 5770, 6790, 7760, 8078, 9232, 10864, 11540, 13580, 16156, 20195, 23080, 27160, 32312, 40390, 46160, 54320, 55969, 64624, 80780, 111938, 161560, 223876, 279845, 323120, 391783, 447752, 559690, 783566, 895504, 1119380, 1567132, 1958915, 2238760, 3134264, 3917830, 4477520, 6268528, 7835660, 15671320, 31342640]

約数ペア:

[(1, 31342640), (2, 15671320), (4, 7835660), (5, 6268528), (7, 4477520), (8, 3917830), (10, 3134264), (14, 2238760), (16, 1958915), (20, 1567132), (28, 1119380), (35, 895504), (40, 783566), (56, 559690), (70, 447752), (80, 391783), (97, 323120), (112, 279845), (140, 223876), (194, 161560), (280, 111938), (388, 80780), (485, 64624), (560, 55969), (577, 54320), (679, 46160), (776, 40390), (970, 32312), (1154, 27160), (1358, 23080), (1552, 20195), (1940, 16156), (2308, 13580), (2716, 11540), (2885, 10864), (3395, 9232), (3880, 8078), (4039, 7760), (4616, 6790), (5432, 5770)]