40921840

素因数分解:

$2^4\times 5^1\times {\mathrm{511523}}^1$

素因数の和:511536

約数の個数: 20

約数和(自身を含む): 95143464

約数和(自身を除く): 54221624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 511523, 1023046, 2046092, 2557615, 4092184, 5115230, 8184368, 10230460, 20460920, 40921840]

約数ペア:

[(1, 40921840), (2, 20460920), (4, 10230460), (5, 8184368), (8, 5115230), (10, 4092184), (16, 2557615), (20, 2046092), (40, 1023046), (80, 511523)]