27431560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 67495680

約数和(自身を除く): 40064120

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, 743, 923, 1420, 1486, 1846, 2840, 2972, 3692, 3715, 4615, 5944, 7384, 7430, 9230, 9659, 14860, 18460, 19318, 29720, 36920, 38636, 48295, 52753, 77272, 96590, 105506, 193180, 211012, 263765, 386360, 422024, 527530, 685789, 1055060, 1371578, 2110120, 2743156, 3428945, 5486312, 6857890, 13715780, 27431560]

約数ペア:

[(1, 27431560), (2, 13715780), (4, 6857890), (5, 5486312), (8, 3428945), (10, 2743156), (13, 2110120), (20, 1371578), (26, 1055060), (40, 685789), (52, 527530), (65, 422024), (71, 386360), (104, 263765), (130, 211012), (142, 193180), (260, 105506), (284, 96590), (355, 77272), (520, 52753), (568, 48295), (710, 38636), (743, 36920), (923, 29720), (1420, 19318), (1486, 18460), (1846, 14860), (2840, 9659), (2972, 9230), (3692, 7430), (3715, 7384), (4615, 5944)]