31306160

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 73026576

約数和(自身を除く): 41720416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 797, 982, 1594, 1964, 2455, 3188, 3928, 3985, 4910, 6376, 7856, 7970, 9820, 12752, 15940, 19640, 31880, 39280, 63760, 391327, 782654, 1565308, 1956635, 3130616, 3913270, 6261232, 7826540, 15653080, 31306160]

約数ペア:

[(1, 31306160), (2, 15653080), (4, 7826540), (5, 6261232), (8, 3913270), (10, 3130616), (16, 1956635), (20, 1565308), (40, 782654), (80, 391327), (491, 63760), (797, 39280), (982, 31880), (1594, 19640), (1964, 15940), (2455, 12752), (3188, 9820), (3928, 7970), (3985, 7856), (4910, 6376)]