87806875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 120448944

約数和(自身を除く): 32642069

約数列:

[1, 5, 13, 25, 65, 101, 107, 125, 325, 505, 535, 625, 1313, 1391, 1625, 2525, 2675, 6565, 6955, 8125, 10807, 12625, 13375, 32825, 34775, 54035, 63125, 66875, 140491, 164125, 173875, 270175, 702455, 820625, 869375, 1350875, 3512275, 6754375, 17561375, 87806875]

約数ペア:

[(1, 87806875), (5, 17561375), (13, 6754375), (25, 3512275), (65, 1350875), (101, 869375), (107, 820625), (125, 702455), (325, 270175), (505, 173875), (535, 164125), (625, 140491), (1313, 66875), (1391, 63125), (1625, 54035), (2525, 34775), (2675, 32825), (6565, 13375), (6955, 12625), (8125, 10807)]