51815920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49823}}^1$

素因数の和:49849

約数の個数: 40

約数和(自身を含む): 129741696

約数和(自身を除く): 77925776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49823, 99646, 199292, 249115, 398584, 498230, 647699, 797168, 996460, 1295398, 1992920, 2590796, 3238495, 3985840, 5181592, 6476990, 10363184, 12953980, 25907960, 51815920]

約数ペア:

[(1, 51815920), (2, 25907960), (4, 12953980), (5, 10363184), (8, 6476990), (10, 5181592), (13, 3985840), (16, 3238495), (20, 2590796), (26, 1992920), (40, 1295398), (52, 996460), (65, 797168), (80, 647699), (104, 498230), (130, 398584), (208, 249115), (260, 199292), (520, 99646), (1040, 49823)]