90312440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11821}}^1$

素因数の和:12023

約数の個数: 32

約数和(自身を含む): 204284160

約数和(自身を除く): 113971720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 11821, 23642, 47284, 59105, 94568, 118210, 236420, 472840, 2257811, 4515622, 9031244, 11289055, 18062488, 22578110, 45156220, 90312440]

約数ペア:

[(1, 90312440), (2, 45156220), (4, 22578110), (5, 18062488), (8, 11289055), (10, 9031244), (20, 4515622), (40, 2257811), (191, 472840), (382, 236420), (764, 118210), (955, 94568), (1528, 59105), (1910, 47284), (3820, 23642), (7640, 11821)]