40694920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 105753600

約数和(自身を除く): 65058680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 1439, 2020, 2828, 2878, 3535, 4040, 5656, 5756, 7070, 7195, 10073, 11512, 14140, 14390, 20146, 28280, 28780, 40292, 50365, 57560, 80584, 100730, 145339, 201460, 290678, 402920, 581356, 726695, 1017373, 1162712, 1453390, 2034746, 2906780, 4069492, 5086865, 5813560, 8138984, 10173730, 20347460, 40694920]

約数ペア:

[(1, 40694920), (2, 20347460), (4, 10173730), (5, 8138984), (7, 5813560), (8, 5086865), (10, 4069492), (14, 2906780), (20, 2034746), (28, 1453390), (35, 1162712), (40, 1017373), (56, 726695), (70, 581356), (101, 402920), (140, 290678), (202, 201460), (280, 145339), (404, 100730), (505, 80584), (707, 57560), (808, 50365), (1010, 40292), (1414, 28780), (1439, 28280), (2020, 20146), (2828, 14390), (2878, 14140), (3535, 11512), (4040, 10073), (5656, 7195), (5756, 7070)]