8398280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19087}}^1$

素因数の和:19109

約数の個数: 32

約数和(自身を含む): 20615040

約数和(自身を除く): 12216760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19087, 38174, 76348, 95435, 152696, 190870, 209957, 381740, 419914, 763480, 839828, 1049785, 1679656, 2099570, 4199140, 8398280]

約数ペア:

[(1, 8398280), (2, 4199140), (4, 2099570), (5, 1679656), (8, 1049785), (10, 839828), (11, 763480), (20, 419914), (22, 381740), (40, 209957), (44, 190870), (55, 152696), (88, 95435), (110, 76348), (220, 38174), (440, 19087)]