1041220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 2217600

約数和(自身を除く): 1176380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 659, 790, 1318, 1580, 2636, 3295, 6590, 13180, 52061, 104122, 208244, 260305, 520610, 1041220]

約数ペア:

[(1, 1041220), (2, 520610), (4, 260305), (5, 208244), (10, 104122), (20, 52061), (79, 13180), (158, 6590), (316, 3295), (395, 2636), (659, 1580), (790, 1318)]