31430480

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6659}}^1$

素因数の和:6731

約数の個数: 40

約数和(自身を含む): 74325600

約数和(自身を除く): 42895120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 6659, 13318, 26636, 33295, 53272, 66590, 106544, 133180, 266360, 392881, 532720, 785762, 1571524, 1964405, 3143048, 3928810, 6286096, 7857620, 15715240, 31430480]

約数ペア:

[(1, 31430480), (2, 15715240), (4, 7857620), (5, 6286096), (8, 3928810), (10, 3143048), (16, 1964405), (20, 1571524), (40, 785762), (59, 532720), (80, 392881), (118, 266360), (236, 133180), (295, 106544), (472, 66590), (590, 53272), (944, 33295), (1180, 26636), (2360, 13318), (4720, 6659)]