90743960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133447}}^1$

素因数の和:133475

約数の個数: 32

約数和(自身を含む): 216185760

約数和(自身を除く): 125441800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133447, 266894, 533788, 667235, 1067576, 1334470, 2268599, 2668940, 4537198, 5337880, 9074396, 11342995, 18148792, 22685990, 45371980, 90743960]

約数ペア:

[(1, 90743960), (2, 45371980), (4, 22685990), (5, 18148792), (8, 11342995), (10, 9074396), (17, 5337880), (20, 4537198), (34, 2668940), (40, 2268599), (68, 1334470), (85, 1067576), (136, 667235), (170, 533788), (340, 266894), (680, 133447)]