128623120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55441}}^1$

素因数の和:55483

約数の個数: 40

約数和(自身を含む): 309366360

約数和(自身を除く): 180743240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55441, 110882, 221764, 277205, 443528, 554410, 887056, 1108820, 1607789, 2217640, 3215578, 4435280, 6431156, 8038945, 12862312, 16077890, 25724624, 32155780, 64311560, 128623120]

約数ペア:

[(1, 128623120), (2, 64311560), (4, 32155780), (5, 25724624), (8, 16077890), (10, 12862312), (16, 8038945), (20, 6431156), (29, 4435280), (40, 3215578), (58, 2217640), (80, 1607789), (116, 1108820), (145, 887056), (232, 554410), (290, 443528), (464, 277205), (580, 221764), (1160, 110882), (2320, 55441)]