25104540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1489}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 70590240

約数和(自身を除く): 45485700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1489, 1686, 2810, 2978, 3372, 4215, 4467, 5620, 5956, 7445, 8430, 8934, 14890, 16860, 17868, 22335, 29780, 44670, 89340, 418409, 836818, 1255227, 1673636, 2092045, 2510454, 4184090, 5020908, 6276135, 8368180, 12552270, 25104540]

約数ペア:

[(1, 25104540), (2, 12552270), (3, 8368180), (4, 6276135), (5, 5020908), (6, 4184090), (10, 2510454), (12, 2092045), (15, 1673636), (20, 1255227), (30, 836818), (60, 418409), (281, 89340), (562, 44670), (843, 29780), (1124, 22335), (1405, 17868), (1489, 16860), (1686, 14890), (2810, 8934), (2978, 8430), (3372, 7445), (4215, 5956), (4467, 5620)]