254241160

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{7723}}^1$

素因数の和:8557

約数の個数: 32

約数和(自身を含む): 572811840

約数和(自身を除く): 318570680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 3292, 4115, 6584, 7723, 8230, 15446, 16460, 30892, 32920, 38615, 61784, 77230, 154460, 308920, 6356029, 12712058, 25424116, 31780145, 50848232, 63560290, 127120580, 254241160]

約数ペア:

[(1, 254241160), (2, 127120580), (4, 63560290), (5, 50848232), (8, 31780145), (10, 25424116), (20, 12712058), (40, 6356029), (823, 308920), (1646, 154460), (3292, 77230), (4115, 61784), (6584, 38615), (7723, 32920), (8230, 30892), (15446, 16460)]