12346840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 30547440

約数和(自身を除く): 18200600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2551, 4840, 5102, 10204, 12755, 20408, 25510, 28061, 51020, 56122, 102040, 112244, 140305, 224488, 280610, 308671, 561220, 617342, 1122440, 1234684, 1543355, 2469368, 3086710, 6173420, 12346840]

約数ペア:

[(1, 12346840), (2, 6173420), (4, 3086710), (5, 2469368), (8, 1543355), (10, 1234684), (11, 1122440), (20, 617342), (22, 561220), (40, 308671), (44, 280610), (55, 224488), (88, 140305), (110, 112244), (121, 102040), (220, 56122), (242, 51020), (440, 28061), (484, 25510), (605, 20408), (968, 12755), (1210, 10204), (2420, 5102), (2551, 4840)]