31368040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6481}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 77589540

約数和(自身を除く): 46221500

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 6481, 12962, 25924, 32405, 51848, 64810, 71291, 129620, 142582, 259240, 285164, 356455, 570328, 712910, 784201, 1425820, 1568402, 2851640, 3136804, 3921005, 6273608, 7842010, 15684020, 31368040]

約数ペア:

[(1, 31368040), (2, 15684020), (4, 7842010), (5, 6273608), (8, 3921005), (10, 3136804), (11, 2851640), (20, 1568402), (22, 1425820), (40, 784201), (44, 712910), (55, 570328), (88, 356455), (110, 285164), (121, 259240), (220, 142582), (242, 129620), (440, 71291), (484, 64810), (605, 51848), (968, 32405), (1210, 25924), (2420, 12962), (4840, 6481)]