105525520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14821}}^1$

素因数の和:14923

約数の個数: 40

約数和(自身を含む): 248120280

約数和(自身を除く): 142594760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 14821, 29642, 59284, 74105, 118568, 148210, 237136, 296420, 592840, 1185680, 1319069, 2638138, 5276276, 6595345, 10552552, 13190690, 21105104, 26381380, 52762760, 105525520]

約数ペア:

[(1, 105525520), (2, 52762760), (4, 26381380), (5, 21105104), (8, 13190690), (10, 10552552), (16, 6595345), (20, 5276276), (40, 2638138), (80, 1319069), (89, 1185680), (178, 592840), (356, 296420), (445, 237136), (712, 148210), (890, 118568), (1424, 74105), (1780, 59284), (3560, 29642), (7120, 14821)]