155353640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{298757}}^1$

素因数の和:298781

約数の個数: 32

約数和(自身を含む): 376435080

約数和(自身を除く): 221081440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 298757, 597514, 1195028, 1493785, 2390056, 2987570, 3883841, 5975140, 7767682, 11950280, 15535364, 19419205, 31070728, 38838410, 77676820, 155353640]

約数ペア:

[(1, 155353640), (2, 77676820), (4, 38838410), (5, 31070728), (8, 19419205), (10, 15535364), (13, 11950280), (20, 7767682), (26, 5975140), (40, 3883841), (52, 2987570), (65, 2390056), (104, 1493785), (130, 1195028), (260, 597514), (520, 298757)]