51257960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98573}}^1$

素因数の和:98597

約数の個数: 32

約数和(自身を含む): 124203240

約数和(自身を除く): 72945280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98573, 197146, 394292, 492865, 788584, 985730, 1281449, 1971460, 2562898, 3942920, 5125796, 6407245, 10251592, 12814490, 25628980, 51257960]

約数ペア:

[(1, 51257960), (2, 25628980), (4, 12814490), (5, 10251592), (8, 6407245), (10, 5125796), (13, 3942920), (20, 2562898), (26, 1971460), (40, 1281449), (52, 985730), (65, 788584), (104, 492865), (130, 394292), (260, 197146), (520, 98573)]