72340120

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3923}}^1$

素因数の和:4395

約数の個数: 32

約数和(自身を含む): 163159920

約数和(自身を除く): 90819800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 3923, 4610, 7846, 9220, 15692, 18440, 19615, 31384, 39230, 78460, 156920, 1808503, 3617006, 7234012, 9042515, 14468024, 18085030, 36170060, 72340120]

約数ペア:

[(1, 72340120), (2, 36170060), (4, 18085030), (5, 14468024), (8, 9042515), (10, 7234012), (20, 3617006), (40, 1808503), (461, 156920), (922, 78460), (1844, 39230), (2305, 31384), (3688, 19615), (3923, 18440), (4610, 15692), (7846, 9220)]