23931620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 51928128

約数和(自身を除く): 27996508

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 211, 212, 214, 265, 422, 428, 530, 535, 844, 1055, 1060, 1070, 2110, 2140, 4220, 5671, 11183, 11342, 22366, 22577, 22684, 28355, 44732, 45154, 55915, 56710, 90308, 111830, 112885, 113420, 223660, 225770, 451540, 1196581, 2393162, 4786324, 5982905, 11965810, 23931620]

約数ペア:

[(1, 23931620), (2, 11965810), (4, 5982905), (5, 4786324), (10, 2393162), (20, 1196581), (53, 451540), (106, 225770), (107, 223660), (211, 113420), (212, 112885), (214, 111830), (265, 90308), (422, 56710), (428, 55915), (530, 45154), (535, 44732), (844, 28355), (1055, 22684), (1060, 22577), (1070, 22366), (2110, 11342), (2140, 11183), (4220, 5671)]