80427440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34667}}^1$

素因数の和:34709

約数の個数: 40

約数和(自身を含む): 193447440

約数和(自身を除く): 113020000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 34667, 69334, 138668, 173335, 277336, 346670, 554672, 693340, 1005343, 1386680, 2010686, 2773360, 4021372, 5026715, 8042744, 10053430, 16085488, 20106860, 40213720, 80427440]

約数ペア:

[(1, 80427440), (2, 40213720), (4, 20106860), (5, 16085488), (8, 10053430), (10, 8042744), (16, 5026715), (20, 4021372), (29, 2773360), (40, 2010686), (58, 1386680), (80, 1005343), (116, 693340), (145, 554672), (232, 346670), (290, 277336), (464, 173335), (580, 138668), (1160, 69334), (2320, 34667)]