28534480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27437}}^1$

素因数の和:27463

約数の個数: 40

約数和(自身を含む): 71448552

約数和(自身を除く): 42914072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27437, 54874, 109748, 137185, 219496, 274370, 356681, 438992, 548740, 713362, 1097480, 1426724, 1783405, 2194960, 2853448, 3566810, 5706896, 7133620, 14267240, 28534480]

約数ペア:

[(1, 28534480), (2, 14267240), (4, 7133620), (5, 5706896), (8, 3566810), (10, 2853448), (13, 2194960), (16, 1783405), (20, 1426724), (26, 1097480), (40, 713362), (52, 548740), (65, 438992), (80, 356681), (104, 274370), (130, 219496), (208, 137185), (260, 109748), (520, 54874), (1040, 27437)]