64666625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 84509568

約数和(自身を除く): 19842943

約数列:

[1, 5, 25, 43, 53, 125, 215, 227, 265, 1075, 1135, 1325, 2279, 5375, 5675, 6625, 9761, 11395, 12031, 28375, 48805, 56975, 60155, 244025, 284875, 300775, 517333, 1220125, 1503875, 2586665, 12933325, 64666625]

約数ペア:

[(1, 64666625), (5, 12933325), (25, 2586665), (43, 1503875), (53, 1220125), (125, 517333), (215, 300775), (227, 284875), (265, 244025), (1075, 60155), (1135, 56975), (1325, 48805), (2279, 28375), (5375, 12031), (5675, 11395), (6625, 9761)]