12369620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 27288576

約数和(自身を除く): 14918956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 281, 284, 310, 355, 562, 620, 710, 1124, 1405, 1420, 2201, 2810, 4402, 5620, 8711, 8804, 11005, 17422, 19951, 22010, 34844, 39902, 43555, 44020, 79804, 87110, 99755, 174220, 199510, 399020, 618481, 1236962, 2473924, 3092405, 6184810, 12369620]

約数ペア:

[(1, 12369620), (2, 6184810), (4, 3092405), (5, 2473924), (10, 1236962), (20, 618481), (31, 399020), (62, 199510), (71, 174220), (124, 99755), (142, 87110), (155, 79804), (281, 44020), (284, 43555), (310, 39902), (355, 34844), (562, 22010), (620, 19951), (710, 17422), (1124, 11005), (1405, 8804), (1420, 8711), (2201, 5620), (2810, 4402)]