27806480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26737}}^1$

素因数の和:26763

約数の個数: 40

約数和(自身を含む): 69625752

約数和(自身を除く): 41819272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26737, 53474, 106948, 133685, 213896, 267370, 347581, 427792, 534740, 695162, 1069480, 1390324, 1737905, 2138960, 2780648, 3475810, 5561296, 6951620, 13903240, 27806480]

約数ペア:

[(1, 27806480), (2, 13903240), (4, 6951620), (5, 5561296), (8, 3475810), (10, 2780648), (13, 2138960), (16, 1737905), (20, 1390324), (26, 1069480), (40, 695162), (52, 534740), (65, 427792), (80, 347581), (104, 267370), (130, 213896), (208, 133685), (260, 106948), (520, 53474), (1040, 26737)]