90502490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4271}}^1$

素因数の和:4454

約数の個数: 32

約数和(自身を含む): 176553216

約数和(自身を除く): 86050726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 4271, 8542, 10595, 21190, 21355, 42710, 55523, 111046, 277615, 555230, 696173, 1392346, 3480865, 6961730, 9050249, 18100498, 45251245, 90502490]

約数ペア:

[(1, 90502490), (2, 45251245), (5, 18100498), (10, 9050249), (13, 6961730), (26, 3480865), (65, 1392346), (130, 696173), (163, 555230), (326, 277615), (815, 111046), (1630, 55523), (2119, 42710), (4238, 21355), (4271, 21190), (8542, 10595)]