90131960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{132547}}^1$

素因数の和:132575

約数の個数: 32

約数和(自身を含む): 214727760

約数和(自身を除く): 124595800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 132547, 265094, 530188, 662735, 1060376, 1325470, 2253299, 2650940, 4506598, 5301880, 9013196, 11266495, 18026392, 22532990, 45065980, 90131960]

約数ペア:

[(1, 90131960), (2, 45065980), (4, 22532990), (5, 18026392), (8, 11266495), (10, 9013196), (17, 5301880), (20, 4506598), (34, 2650940), (40, 2253299), (68, 1325470), (85, 1060376), (136, 662735), (170, 530188), (340, 265094), (680, 132547)]