128016440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{110359}}^1$

素因数の和:110399

約数の個数: 32

約数和(自身を含む): 297972000

約数和(自身を除く): 169955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 110359, 220718, 441436, 551795, 882872, 1103590, 2207180, 3200411, 4414360, 6400822, 12801644, 16002055, 25603288, 32004110, 64008220, 128016440]

約数ペア:

[(1, 128016440), (2, 64008220), (4, 32004110), (5, 25603288), (8, 16002055), (10, 12801644), (20, 6400822), (29, 4414360), (40, 3200411), (58, 2207180), (116, 1103590), (145, 882872), (232, 551795), (290, 441436), (580, 220718), (1160, 110359)]