57686480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11821}}^1$

素因数の和:11895

約数の個数: 40

約数和(自身を含む): 136331304

約数和(自身を除く): 78644824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 11821, 23642, 47284, 59105, 94568, 118210, 189136, 236420, 472840, 721081, 945680, 1442162, 2884324, 3605405, 5768648, 7210810, 11537296, 14421620, 28843240, 57686480]

約数ペア:

[(1, 57686480), (2, 28843240), (4, 14421620), (5, 11537296), (8, 7210810), (10, 5768648), (16, 3605405), (20, 2884324), (40, 1442162), (61, 945680), (80, 721081), (122, 472840), (244, 236420), (305, 189136), (488, 118210), (610, 94568), (976, 59105), (1220, 47284), (2440, 23642), (4880, 11821)]