426453820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1640207}}^1$

素因数の和:1640229

約数の個数: 24

約数和(自身を含む): 964442304

約数和(自身を除く): 537988484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1640207, 3280414, 6560828, 8201035, 16402070, 21322691, 32804140, 42645382, 85290764, 106613455, 213226910, 426453820]

約数ペア:

[(1, 426453820), (2, 213226910), (4, 106613455), (5, 85290764), (10, 42645382), (13, 32804140), (20, 21322691), (26, 16402070), (52, 8201035), (65, 6560828), (130, 3280414), (260, 1640207)]