72566260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 166465152

約数和(自身を除く): 93898892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 3931, 4615, 7862, 9230, 15724, 18460, 19655, 39310, 51103, 78620, 102206, 204412, 255515, 279101, 511030, 558202, 1022060, 1116404, 1395505, 2791010, 3628313, 5582020, 7256626, 14513252, 18141565, 36283130, 72566260]

約数ペア:

[(1, 72566260), (2, 36283130), (4, 18141565), (5, 14513252), (10, 7256626), (13, 5582020), (20, 3628313), (26, 2791010), (52, 1395505), (65, 1116404), (71, 1022060), (130, 558202), (142, 511030), (260, 279101), (284, 255515), (355, 204412), (710, 102206), (923, 78620), (1420, 51103), (1846, 39310), (3692, 19655), (3931, 18460), (4615, 15724), (7862, 9230)]