42741920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20549}}^1$

素因数の和:20577

約数の個数: 48

約数和(自身を含む): 108750600

約数和(自身を除く): 66008680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20549, 41098, 82196, 102745, 164392, 205490, 267137, 328784, 410980, 534274, 657568, 821960, 1068548, 1335685, 1643920, 2137096, 2671370, 3287840, 4274192, 5342740, 8548384, 10685480, 21370960, 42741920]

約数ペア:

[(1, 42741920), (2, 21370960), (4, 10685480), (5, 8548384), (8, 5342740), (10, 4274192), (13, 3287840), (16, 2671370), (20, 2137096), (26, 1643920), (32, 1335685), (40, 1068548), (52, 821960), (65, 657568), (80, 534274), (104, 410980), (130, 328784), (160, 267137), (208, 205490), (260, 164392), (416, 102745), (520, 82196), (1040, 41098), (2080, 20549)]