129162080

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1873}}^1$

素因数の和:2319

約数の個数: 48

約数和(自身を含む): 306016704

約数和(自身を除く): 176854624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 862, 1724, 1873, 2155, 3448, 3746, 4310, 6896, 7492, 8620, 9365, 13792, 14984, 17240, 18730, 29968, 34480, 37460, 59936, 68960, 74920, 149840, 299680, 807263, 1614526, 3229052, 4036315, 6458104, 8072630, 12916208, 16145260, 25832416, 32290520, 64581040, 129162080]

約数ペア:

[(1, 129162080), (2, 64581040), (4, 32290520), (5, 25832416), (8, 16145260), (10, 12916208), (16, 8072630), (20, 6458104), (32, 4036315), (40, 3229052), (80, 1614526), (160, 807263), (431, 299680), (862, 149840), (1724, 74920), (1873, 68960), (2155, 59936), (3448, 37460), (3746, 34480), (4310, 29968), (6896, 18730), (7492, 17240), (8620, 14984), (9365, 13792)]