71292520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 175271040

約数和(自身を除く): 103978520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 1931, 2840, 3692, 3862, 4615, 7384, 7724, 9230, 9655, 15448, 18460, 19310, 25103, 36920, 38620, 50206, 77240, 100412, 125515, 137101, 200824, 251030, 274202, 502060, 548404, 685505, 1004120, 1096808, 1371010, 1782313, 2742020, 3564626, 5484040, 7129252, 8911565, 14258504, 17823130, 35646260, 71292520]

約数ペア:

[(1, 71292520), (2, 35646260), (4, 17823130), (5, 14258504), (8, 8911565), (10, 7129252), (13, 5484040), (20, 3564626), (26, 2742020), (40, 1782313), (52, 1371010), (65, 1096808), (71, 1004120), (104, 685505), (130, 548404), (142, 502060), (260, 274202), (284, 251030), (355, 200824), (520, 137101), (568, 125515), (710, 100412), (923, 77240), (1420, 50206), (1846, 38620), (1931, 36920), (2840, 25103), (3692, 19310), (3862, 18460), (4615, 15448), (7384, 9655), (7724, 9230)]