25857660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2381}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 72832032

約数和(自身を除く): 46974372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2381, 2715, 3620, 4762, 5430, 7143, 9524, 10860, 11905, 14286, 23810, 28572, 35715, 47620, 71430, 142860, 430961, 861922, 1292883, 1723844, 2154805, 2585766, 4309610, 5171532, 6464415, 8619220, 12928830, 25857660]

約数ペア:

[(1, 25857660), (2, 12928830), (3, 8619220), (4, 6464415), (5, 5171532), (6, 4309610), (10, 2585766), (12, 2154805), (15, 1723844), (20, 1292883), (30, 861922), (60, 430961), (181, 142860), (362, 71430), (543, 47620), (724, 35715), (905, 28572), (1086, 23810), (1810, 14286), (2172, 11905), (2381, 10860), (2715, 9524), (3620, 7143), (4762, 5430)]