9709960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 23950080

約数和(自身を除く): 14240120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 263, 284, 355, 520, 526, 568, 710, 923, 1052, 1315, 1420, 1846, 2104, 2630, 2840, 3419, 3692, 4615, 5260, 6838, 7384, 9230, 10520, 13676, 17095, 18460, 18673, 27352, 34190, 36920, 37346, 68380, 74692, 93365, 136760, 149384, 186730, 242749, 373460, 485498, 746920, 970996, 1213745, 1941992, 2427490, 4854980, 9709960]

約数ペア:

[(1, 9709960), (2, 4854980), (4, 2427490), (5, 1941992), (8, 1213745), (10, 970996), (13, 746920), (20, 485498), (26, 373460), (40, 242749), (52, 186730), (65, 149384), (71, 136760), (104, 93365), (130, 74692), (142, 68380), (260, 37346), (263, 36920), (284, 34190), (355, 27352), (520, 18673), (526, 18460), (568, 17095), (710, 13676), (923, 10520), (1052, 9230), (1315, 7384), (1420, 6838), (1846, 5260), (2104, 4615), (2630, 3692), (2840, 3419)]