80591971825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{50581}}^1$

素因数の和:50794

約数の個数: 48

約数和(自身を含む): 111092639616

約数和(自身を除く): 30500667791

約数列:

[1, 5, 17, 23, 25, 85, 115, 163, 391, 425, 575, 815, 1955, 2771, 3749, 4075, 9775, 13855, 18745, 50581, 63733, 69275, 93725, 252905, 318665, 859877, 1163363, 1264525, 1593325, 4299385, 5816815, 8244703, 19777171, 21496925, 29084075, 41223515, 98885855, 140159951, 189628169, 206117575, 494429275, 700799755, 948140845, 3223678873, 3503998775, 4740704225, 16118394365, 80591971825]

約数ペア:

[(1, 80591971825), (5, 16118394365), (17, 4740704225), (23, 3503998775), (25, 3223678873), (85, 948140845), (115, 700799755), (163, 494429275), (391, 206117575), (425, 189628169), (575, 140159951), (815, 98885855), (1955, 41223515), (2771, 29084075), (3749, 21496925), (4075, 19777171), (9775, 8244703), (13855, 5816815), (18745, 4299385), (50581, 1593325), (63733, 1264525), (69275, 1163363), (93725, 859877), (252905, 318665)]