23154520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 31588520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 263, 284, 310, 355, 526, 568, 620, 710, 1052, 1240, 1315, 1420, 2104, 2201, 2630, 2840, 4402, 5260, 8153, 8804, 10520, 11005, 16306, 17608, 18673, 22010, 32612, 37346, 40765, 44020, 65224, 74692, 81530, 88040, 93365, 149384, 163060, 186730, 326120, 373460, 578863, 746920, 1157726, 2315452, 2894315, 4630904, 5788630, 11577260, 23154520]

約数ペア:

[(1, 23154520), (2, 11577260), (4, 5788630), (5, 4630904), (8, 2894315), (10, 2315452), (20, 1157726), (31, 746920), (40, 578863), (62, 373460), (71, 326120), (124, 186730), (142, 163060), (155, 149384), (248, 93365), (263, 88040), (284, 81530), (310, 74692), (355, 65224), (526, 44020), (568, 40765), (620, 37346), (710, 32612), (1052, 22010), (1240, 18673), (1315, 17608), (1420, 16306), (2104, 11005), (2201, 10520), (2630, 8804), (2840, 8153), (4402, 5260)]