8216860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 18466560

約数和(自身を除く): 10249700

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 457, 580, 620, 899, 914, 1798, 1828, 2285, 3596, 4495, 4570, 8990, 9140, 13253, 14167, 17980, 26506, 28334, 53012, 56668, 66265, 70835, 132530, 141670, 265060, 283340, 410843, 821686, 1643372, 2054215, 4108430, 8216860]

約数ペア:

[(1, 8216860), (2, 4108430), (4, 2054215), (5, 1643372), (10, 821686), (20, 410843), (29, 283340), (31, 265060), (58, 141670), (62, 132530), (116, 70835), (124, 66265), (145, 56668), (155, 53012), (290, 28334), (310, 26506), (457, 17980), (580, 14167), (620, 13253), (899, 9140), (914, 8990), (1798, 4570), (1828, 4495), (2285, 3596)]