624290420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2401117}}^1$

素因数の和:2401139

約数の個数: 24

約数和(自身を含む): 1411857384

約数和(自身を除く): 787566964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2401117, 4802234, 9604468, 12005585, 24011170, 31214521, 48022340, 62429042, 124858084, 156072605, 312145210, 624290420]

約数ペア:

[(1, 624290420), (2, 312145210), (4, 156072605), (5, 124858084), (10, 62429042), (13, 48022340), (20, 31214521), (26, 24011170), (52, 12005585), (65, 9604468), (130, 4802234), (260, 2401117)]