61911280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45523}}^1$

素因数の和:45553

約数の個数: 40

約数和(自身を含む): 152414352

約数和(自身を除く): 90503072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 45523, 91046, 182092, 227615, 364184, 455230, 728368, 773891, 910460, 1547782, 1820920, 3095564, 3641840, 3869455, 6191128, 7738910, 12382256, 15477820, 30955640, 61911280]

約数ペア:

[(1, 61911280), (2, 30955640), (4, 15477820), (5, 12382256), (8, 7738910), (10, 6191128), (16, 3869455), (17, 3641840), (20, 3095564), (34, 1820920), (40, 1547782), (68, 910460), (80, 773891), (85, 728368), (136, 455230), (170, 364184), (272, 227615), (340, 182092), (680, 91046), (1360, 45523)]