55180400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12541}}^1$

素因数の和:12570

約数の個数: 60

約数和(自身を含む): 144634344

約数和(自身を除く): 89453944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 12541, 25082, 50164, 62705, 100328, 125410, 137951, 200656, 250820, 275902, 313525, 501640, 551804, 627050, 689755, 1003280, 1103608, 1254100, 1379510, 2207216, 2508200, 2759020, 3448775, 5016400, 5518040, 6897550, 11036080, 13795100, 27590200, 55180400]

約数ペア:

[(1, 55180400), (2, 27590200), (4, 13795100), (5, 11036080), (8, 6897550), (10, 5518040), (11, 5016400), (16, 3448775), (20, 2759020), (22, 2508200), (25, 2207216), (40, 1379510), (44, 1254100), (50, 1103608), (55, 1003280), (80, 689755), (88, 627050), (100, 551804), (110, 501640), (176, 313525), (200, 275902), (220, 250820), (275, 200656), (400, 137951), (440, 125410), (550, 100328), (880, 62705), (1100, 50164), (2200, 25082), (4400, 12541)]