24945180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31981}}^1$

素因数の和:32006

約数の個数: 48

約数和(自身を含む): 75221664

約数和(自身を除く): 50276484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 31981, 63962, 95943, 127924, 159905, 191886, 319810, 383772, 415753, 479715, 639620, 831506, 959430, 1247259, 1663012, 1918860, 2078765, 2494518, 4157530, 4989036, 6236295, 8315060, 12472590, 24945180]

約数ペア:

[(1, 24945180), (2, 12472590), (3, 8315060), (4, 6236295), (5, 4989036), (6, 4157530), (10, 2494518), (12, 2078765), (13, 1918860), (15, 1663012), (20, 1247259), (26, 959430), (30, 831506), (39, 639620), (52, 479715), (60, 415753), (65, 383772), (78, 319810), (130, 191886), (156, 159905), (195, 127924), (260, 95943), (390, 63962), (780, 31981)]