128007160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 300218400

約数和(自身を除く): 172211240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 163, 232, 290, 326, 580, 652, 677, 815, 1160, 1304, 1354, 1630, 2708, 3260, 3385, 4727, 5416, 6520, 6770, 9454, 13540, 18908, 19633, 23635, 27080, 37816, 39266, 47270, 78532, 94540, 98165, 110351, 157064, 189080, 196330, 220702, 392660, 441404, 551755, 785320, 882808, 1103510, 2207020, 3200179, 4414040, 6400358, 12800716, 16000895, 25601432, 32001790, 64003580, 128007160]

約数ペア:

[(1, 128007160), (2, 64003580), (4, 32001790), (5, 25601432), (8, 16000895), (10, 12800716), (20, 6400358), (29, 4414040), (40, 3200179), (58, 2207020), (116, 1103510), (145, 882808), (163, 785320), (232, 551755), (290, 441404), (326, 392660), (580, 220702), (652, 196330), (677, 189080), (815, 157064), (1160, 110351), (1304, 98165), (1354, 94540), (1630, 78532), (2708, 47270), (3260, 39266), (3385, 37816), (4727, 27080), (5416, 23635), (6520, 19633), (6770, 18908), (9454, 13540)]