78821920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21419}}^1$

素因数の和:21457

約数の個数: 48

約数和(自身を含む): 194322240

約数和(自身を除く): 115500320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21419, 42838, 85676, 107095, 171352, 214190, 342704, 428380, 492637, 685408, 856760, 985274, 1713520, 1970548, 2463185, 3427040, 3941096, 4926370, 7882192, 9852740, 15764384, 19705480, 39410960, 78821920]

約数ペア:

[(1, 78821920), (2, 39410960), (4, 19705480), (5, 15764384), (8, 9852740), (10, 7882192), (16, 4926370), (20, 3941096), (23, 3427040), (32, 2463185), (40, 1970548), (46, 1713520), (80, 985274), (92, 856760), (115, 685408), (160, 492637), (184, 428380), (230, 342704), (368, 214190), (460, 171352), (736, 107095), (920, 85676), (1840, 42838), (3680, 21419)]