51885940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 114670080

約数和(自身を除く): 62784140

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1579, 1643, 3158, 3286, 6316, 6572, 7895, 8215, 15790, 16430, 31580, 32860, 48949, 83687, 97898, 167374, 195796, 244745, 334748, 418435, 489490, 836870, 978980, 1673740, 2594297, 5188594, 10377188, 12971485, 25942970, 51885940]

約数ペア:

[(1, 51885940), (2, 25942970), (4, 12971485), (5, 10377188), (10, 5188594), (20, 2594297), (31, 1673740), (53, 978980), (62, 836870), (106, 489490), (124, 418435), (155, 334748), (212, 244745), (265, 195796), (310, 167374), (530, 97898), (620, 83687), (1060, 48949), (1579, 32860), (1643, 31580), (3158, 16430), (3286, 15790), (6316, 8215), (6572, 7895)]