40384370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1289}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 78669360

約数和(自身を除く): 38284990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1205, 1289, 2410, 2578, 3133, 6266, 6445, 12890, 15665, 16757, 31330, 33514, 83785, 167570, 310649, 621298, 1553245, 3106490, 4038437, 8076874, 20192185, 40384370]

約数ペア:

[(1, 40384370), (2, 20192185), (5, 8076874), (10, 4038437), (13, 3106490), (26, 1553245), (65, 621298), (130, 310649), (241, 167570), (482, 83785), (1205, 33514), (1289, 31330), (2410, 16757), (2578, 15665), (3133, 12890), (6266, 6445)]