29942120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 43722520

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, 811, 923, 1420, 1622, 1846, 2840, 3244, 3692, 4055, 4615, 6488, 7384, 8110, 9230, 10543, 16220, 18460, 21086, 32440, 36920, 42172, 52715, 57581, 84344, 105430, 115162, 210860, 230324, 287905, 421720, 460648, 575810, 748553, 1151620, 1497106, 2303240, 2994212, 3742765, 5988424, 7485530, 14971060, 29942120]

約数ペア:

[(1, 29942120), (2, 14971060), (4, 7485530), (5, 5988424), (8, 3742765), (10, 2994212), (13, 2303240), (20, 1497106), (26, 1151620), (40, 748553), (52, 575810), (65, 460648), (71, 421720), (104, 287905), (130, 230324), (142, 210860), (260, 115162), (284, 105430), (355, 84344), (520, 57581), (568, 52715), (710, 42172), (811, 36920), (923, 32440), (1420, 21086), (1622, 18460), (1846, 16220), (2840, 10543), (3244, 9230), (3692, 8110), (4055, 7384), (4615, 6488)]