55317950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 107671680

約数和(自身を除く): 52353730

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 401, 445, 775, 802, 890, 1550, 2005, 2225, 2759, 4010, 4450, 5518, 10025, 12431, 13795, 20050, 24862, 27590, 35689, 62155, 68975, 71378, 124310, 137950, 178445, 310775, 356890, 621550, 892225, 1106359, 1784450, 2212718, 5531795, 11063590, 27658975, 55317950]

約数ペア:

[(1, 55317950), (2, 27658975), (5, 11063590), (10, 5531795), (25, 2212718), (31, 1784450), (50, 1106359), (62, 892225), (89, 621550), (155, 356890), (178, 310775), (310, 178445), (401, 137950), (445, 124310), (775, 71378), (802, 68975), (890, 62155), (1550, 35689), (2005, 27590), (2225, 24862), (2759, 20050), (4010, 13795), (4450, 12431), (5518, 10025)]