90647875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 118310400

約数和(自身を除く): 27662525

約数列:

[1, 5, 25, 31, 125, 149, 155, 157, 745, 775, 785, 3725, 3875, 3925, 4619, 4867, 18625, 19625, 23095, 23393, 24335, 115475, 116965, 121675, 577375, 584825, 608375, 725183, 2924125, 3625915, 18129575, 90647875]

約数ペア:

[(1, 90647875), (5, 18129575), (25, 3625915), (31, 2924125), (125, 725183), (149, 608375), (155, 584825), (157, 577375), (745, 121675), (775, 116965), (785, 115475), (3725, 24335), (3875, 23393), (3925, 23095), (4619, 19625), (4867, 18625)]