42697850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 89315712

約数和(自身を除く): 46617862

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 163, 169, 310, 325, 326, 338, 403, 650, 775, 806, 815, 845, 1550, 1630, 1690, 2015, 2119, 4030, 4075, 4225, 4238, 5053, 5239, 8150, 8450, 10075, 10106, 10478, 10595, 20150, 21190, 25265, 26195, 27547, 50530, 52390, 52975, 55094, 65689, 105950, 126325, 130975, 131378, 137735, 252650, 261950, 275470, 328445, 656890, 688675, 853957, 1377350, 1642225, 1707914, 3284450, 4269785, 8539570, 21348925, 42697850]

約数ペア:

[(1, 42697850), (2, 21348925), (5, 8539570), (10, 4269785), (13, 3284450), (25, 1707914), (26, 1642225), (31, 1377350), (50, 853957), (62, 688675), (65, 656890), (130, 328445), (155, 275470), (163, 261950), (169, 252650), (310, 137735), (325, 131378), (326, 130975), (338, 126325), (403, 105950), (650, 65689), (775, 55094), (806, 52975), (815, 52390), (845, 50530), (1550, 27547), (1630, 26195), (1690, 25265), (2015, 21190), (2119, 20150), (4030, 10595), (4075, 10478), (4225, 10106), (4238, 10075), (5053, 8450), (5239, 8150)]