16173880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 22187720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 191, 232, 290, 292, 365, 382, 580, 584, 730, 764, 955, 1160, 1460, 1528, 1910, 2117, 2920, 3820, 4234, 5539, 7640, 8468, 10585, 11078, 13943, 16936, 21170, 22156, 27695, 27886, 42340, 44312, 55390, 55772, 69715, 84680, 110780, 111544, 139430, 221560, 278860, 404347, 557720, 808694, 1617388, 2021735, 3234776, 4043470, 8086940, 16173880]

約数ペア:

[(1, 16173880), (2, 8086940), (4, 4043470), (5, 3234776), (8, 2021735), (10, 1617388), (20, 808694), (29, 557720), (40, 404347), (58, 278860), (73, 221560), (116, 139430), (145, 111544), (146, 110780), (191, 84680), (232, 69715), (290, 55772), (292, 55390), (365, 44312), (382, 42340), (580, 27886), (584, 27695), (730, 22156), (764, 21170), (955, 16936), (1160, 13943), (1460, 11078), (1528, 10585), (1910, 8468), (2117, 7640), (2920, 5539), (3820, 4234)]