13740740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 31857840

約数和(自身を除く): 18117100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1289, 2132, 2578, 2665, 5156, 5330, 6445, 10660, 12890, 16757, 25780, 33514, 52849, 67028, 83785, 105698, 167570, 211396, 264245, 335140, 528490, 687037, 1056980, 1374074, 2748148, 3435185, 6870370, 13740740]

約数ペア:

[(1, 13740740), (2, 6870370), (4, 3435185), (5, 2748148), (10, 1374074), (13, 1056980), (20, 687037), (26, 528490), (41, 335140), (52, 264245), (65, 211396), (82, 167570), (130, 105698), (164, 83785), (205, 67028), (260, 52849), (410, 33514), (533, 25780), (820, 16757), (1066, 12890), (1289, 10660), (2132, 6445), (2578, 5330), (2665, 5156)]