55705780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16481}}^1$

素因数の和:16516

約数の個数: 36

約数和(自身を含む): 126680652

約数和(自身を除く): 70974872

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 16481, 32962, 65924, 82405, 164810, 214253, 329620, 428506, 857012, 1071265, 2142530, 2785289, 4285060, 5570578, 11141156, 13926445, 27852890, 55705780]

約数ペア:

[(1, 55705780), (2, 27852890), (4, 13926445), (5, 11141156), (10, 5570578), (13, 4285060), (20, 2785289), (26, 2142530), (52, 1071265), (65, 857012), (130, 428506), (169, 329620), (260, 214253), (338, 164810), (676, 82405), (845, 65924), (1690, 32962), (3380, 16481)]