53540500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8237}}^1$

素因数の和:8269

約数の個数: 48

約数和(自身を含む): 125942544

約数和(自身を除く): 72402044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 8237, 16474, 32948, 41185, 82370, 107081, 164740, 205925, 214162, 411850, 428324, 535405, 823700, 1029625, 1070810, 2059250, 2141620, 2677025, 4118500, 5354050, 10708100, 13385125, 26770250, 53540500]

約数ペア:

[(1, 53540500), (2, 26770250), (4, 13385125), (5, 10708100), (10, 5354050), (13, 4118500), (20, 2677025), (25, 2141620), (26, 2059250), (50, 1070810), (52, 1029625), (65, 823700), (100, 535405), (125, 428324), (130, 411850), (250, 214162), (260, 205925), (325, 164740), (500, 107081), (650, 82370), (1300, 41185), (1625, 32948), (3250, 16474), (6500, 8237)]