66474320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75539}}^1$

素因数の和:75563

約数の個数: 40

約数和(自身を含む): 168605280

約数和(自身を除く): 102130960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75539, 151078, 302156, 377695, 604312, 755390, 830929, 1208624, 1510780, 1661858, 3021560, 3323716, 4154645, 6043120, 6647432, 8309290, 13294864, 16618580, 33237160, 66474320]

約数ペア:

[(1, 66474320), (2, 33237160), (4, 16618580), (5, 13294864), (8, 8309290), (10, 6647432), (11, 6043120), (16, 4154645), (20, 3323716), (22, 3021560), (40, 1661858), (44, 1510780), (55, 1208624), (80, 830929), (88, 755390), (110, 604312), (176, 377695), (220, 302156), (440, 151078), (880, 75539)]