28105620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1667}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 79023168

約数和(自身を除く): 50917548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1667, 1686, 2810, 3334, 3372, 4215, 5001, 5620, 6668, 8335, 8430, 10002, 16670, 16860, 20004, 25005, 33340, 50010, 100020, 468427, 936854, 1405281, 1873708, 2342135, 2810562, 4684270, 5621124, 7026405, 9368540, 14052810, 28105620]

約数ペア:

[(1, 28105620), (2, 14052810), (3, 9368540), (4, 7026405), (5, 5621124), (6, 4684270), (10, 2810562), (12, 2342135), (15, 1873708), (20, 1405281), (30, 936854), (60, 468427), (281, 100020), (562, 50010), (843, 33340), (1124, 25005), (1405, 20004), (1667, 16860), (1686, 16670), (2810, 10002), (3334, 8430), (3372, 8335), (4215, 6668), (5001, 5620)]