15881140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 37384704

約数和(自身を除く): 21503564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1951, 2035, 3902, 4070, 7804, 8140, 9755, 19510, 21461, 39020, 42922, 72187, 85844, 107305, 144374, 214610, 288748, 360935, 429220, 721870, 794057, 1443740, 1588114, 3176228, 3970285, 7940570, 15881140]

約数ペア:

[(1, 15881140), (2, 7940570), (4, 3970285), (5, 3176228), (10, 1588114), (11, 1443740), (20, 794057), (22, 721870), (37, 429220), (44, 360935), (55, 288748), (74, 214610), (110, 144374), (148, 107305), (185, 85844), (220, 72187), (370, 42922), (407, 39020), (740, 21461), (814, 19510), (1628, 9755), (1951, 8140), (2035, 7804), (3902, 4070)]