40663472

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61987}}^1$

素因数の和:62036

約数の個数: 20

約数和(自身を含む): 80708376

約数和(自身を除く): 40044904

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61987, 123974, 247948, 495896, 991792, 2541467, 5082934, 10165868, 20331736, 40663472]

約数ペア:

[(1, 40663472), (2, 20331736), (4, 10165868), (8, 5082934), (16, 2541467), (41, 991792), (82, 495896), (164, 247948), (328, 123974), (656, 61987)]