40117640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53194360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 89, 118, 178, 191, 236, 295, 356, 382, 445, 472, 590, 712, 764, 890, 955, 1180, 1528, 1780, 1910, 2360, 3560, 3820, 5251, 7640, 10502, 11269, 16999, 21004, 22538, 26255, 33998, 42008, 45076, 52510, 56345, 67996, 84995, 90152, 105020, 112690, 135992, 169990, 210040, 225380, 339980, 450760, 679960, 1002941, 2005882, 4011764, 5014705, 8023528, 10029410, 20058820, 40117640]

約数ペア:

[(1, 40117640), (2, 20058820), (4, 10029410), (5, 8023528), (8, 5014705), (10, 4011764), (20, 2005882), (40, 1002941), (59, 679960), (89, 450760), (118, 339980), (178, 225380), (191, 210040), (236, 169990), (295, 135992), (356, 112690), (382, 105020), (445, 90152), (472, 84995), (590, 67996), (712, 56345), (764, 52510), (890, 45076), (955, 42008), (1180, 33998), (1528, 26255), (1780, 22538), (1910, 21004), (2360, 16999), (3560, 11269), (3820, 10502), (5251, 7640)]