90448240

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1987}}^1$

素因数の和:2569

約数の個数: 40

約数和(自身を含む): 210767760

約数和(自身を除く): 120319520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1987, 2276, 2845, 3974, 4552, 5690, 7948, 9104, 9935, 11380, 15896, 19870, 22760, 31792, 39740, 45520, 79480, 158960, 1130603, 2261206, 4522412, 5653015, 9044824, 11306030, 18089648, 22612060, 45224120, 90448240]

約数ペア:

[(1, 90448240), (2, 45224120), (4, 22612060), (5, 18089648), (8, 11306030), (10, 9044824), (16, 5653015), (20, 4522412), (40, 2261206), (80, 1130603), (569, 158960), (1138, 79480), (1987, 45520), (2276, 39740), (2845, 31792), (3974, 22760), (4552, 19870), (5690, 15896), (7948, 11380), (9104, 9935)]