17392720

素因数分解:

$2^4\times 5^1\times {\mathrm{217409}}^1$

素因数の和:217422

約数の個数: 20

約数和(自身を含む): 40438260

約数和(自身を除く): 23045540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217409, 434818, 869636, 1087045, 1739272, 2174090, 3478544, 4348180, 8696360, 17392720]

約数ペア:

[(1, 17392720), (2, 8696360), (4, 4348180), (5, 3478544), (8, 2174090), (10, 1739272), (16, 1087045), (20, 869636), (40, 434818), (80, 217409)]