40780790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 79309152

約数和(自身を除く): 38528362

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 137, 170, 206, 274, 289, 515, 578, 685, 1030, 1370, 1445, 1751, 2329, 2890, 3502, 4658, 8755, 11645, 14111, 17510, 23290, 28222, 29767, 39593, 59534, 70555, 79186, 141110, 148835, 197965, 239887, 297670, 395930, 479774, 1199435, 2398870, 4078079, 8156158, 20390395, 40780790]

約数ペア:

[(1, 40780790), (2, 20390395), (5, 8156158), (10, 4078079), (17, 2398870), (34, 1199435), (85, 479774), (103, 395930), (137, 297670), (170, 239887), (206, 197965), (274, 148835), (289, 141110), (515, 79186), (578, 70555), (685, 59534), (1030, 39593), (1370, 29767), (1445, 28222), (1751, 23290), (2329, 17510), (2890, 14111), (3502, 11645), (4658, 8755)]