87131960

素因数分解:

$2^3\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{1873}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 196320240

約数和(自身を除く): 109188280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1163, 1873, 2326, 3746, 4652, 5815, 7492, 9304, 9365, 11630, 14984, 18730, 23260, 37460, 46520, 74920, 2178299, 4356598, 8713196, 10891495, 17426392, 21782990, 43565980, 87131960]

約数ペア:

[(1, 87131960), (2, 43565980), (4, 21782990), (5, 17426392), (8, 10891495), (10, 8713196), (20, 4356598), (40, 2178299), (1163, 74920), (1873, 46520), (2326, 37460), (3746, 23260), (4652, 18730), (5815, 14984), (7492, 11630), (9304, 9365)]