31714280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 78019200

約数和(自身を除く): 46304920

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, 859, 923, 1420, 1718, 1846, 2840, 3436, 3692, 4295, 4615, 6872, 7384, 8590, 9230, 11167, 17180, 18460, 22334, 34360, 36920, 44668, 55835, 60989, 89336, 111670, 121978, 223340, 243956, 304945, 446680, 487912, 609890, 792857, 1219780, 1585714, 2439560, 3171428, 3964285, 6342856, 7928570, 15857140, 31714280]

約数ペア:

[(1, 31714280), (2, 15857140), (4, 7928570), (5, 6342856), (8, 3964285), (10, 3171428), (13, 2439560), (20, 1585714), (26, 1219780), (40, 792857), (52, 609890), (65, 487912), (71, 446680), (104, 304945), (130, 243956), (142, 223340), (260, 121978), (284, 111670), (355, 89336), (520, 60989), (568, 55835), (710, 44668), (859, 36920), (923, 34360), (1420, 22334), (1718, 18460), (1846, 17180), (2840, 11167), (3436, 9230), (3692, 8590), (4295, 7384), (4615, 6872)]