51318280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98689}}^1$

素因数の和:98713

約数の個数: 32

約数和(自身を含む): 124349400

約数和(自身を除く): 73031120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98689, 197378, 394756, 493445, 789512, 986890, 1282957, 1973780, 2565914, 3947560, 5131828, 6414785, 10263656, 12829570, 25659140, 51318280]

約数ペア:

[(1, 51318280), (2, 25659140), (4, 12829570), (5, 10263656), (8, 6414785), (10, 5131828), (13, 3947560), (20, 2565914), (26, 1973780), (40, 1282957), (52, 986890), (65, 789512), (104, 493445), (130, 394756), (260, 197378), (520, 98689)]