123159920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118423}}^1$

素因数の和:118449

約数の個数: 40

約数和(自身を含む): 308376096

約数和(自身を除く): 185216176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 118423, 236846, 473692, 592115, 947384, 1184230, 1539499, 1894768, 2368460, 3078998, 4736920, 6157996, 7697495, 9473840, 12315992, 15394990, 24631984, 30789980, 61579960, 123159920]

約数ペア:

[(1, 123159920), (2, 61579960), (4, 30789980), (5, 24631984), (8, 15394990), (10, 12315992), (13, 9473840), (16, 7697495), (20, 6157996), (26, 4736920), (40, 3078998), (52, 2368460), (65, 1894768), (80, 1539499), (104, 1184230), (130, 947384), (208, 592115), (260, 473692), (520, 236846), (1040, 118423)]