3966640

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 9307440

約数和(自身を除く): 5340800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 277, 358, 554, 716, 895, 1108, 1385, 1432, 1790, 2216, 2770, 2864, 3580, 4432, 5540, 7160, 11080, 14320, 22160, 49583, 99166, 198332, 247915, 396664, 495830, 793328, 991660, 1983320, 3966640]

約数ペア:

[(1, 3966640), (2, 1983320), (4, 991660), (5, 793328), (8, 495830), (10, 396664), (16, 247915), (20, 198332), (40, 99166), (80, 49583), (179, 22160), (277, 14320), (358, 11080), (554, 7160), (716, 5540), (895, 4432), (1108, 3580), (1385, 2864), (1432, 2770), (1790, 2216)]