16355480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 38823840

約数和(自身を除く): 22468360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 257, 296, 344, 370, 430, 514, 740, 860, 1028, 1285, 1480, 1591, 1720, 2056, 2570, 3182, 5140, 6364, 7955, 9509, 10280, 11051, 12728, 15910, 19018, 22102, 31820, 38036, 44204, 47545, 55255, 63640, 76072, 88408, 95090, 110510, 190180, 221020, 380360, 408887, 442040, 817774, 1635548, 2044435, 3271096, 4088870, 8177740, 16355480]

約数ペア:

[(1, 16355480), (2, 8177740), (4, 4088870), (5, 3271096), (8, 2044435), (10, 1635548), (20, 817774), (37, 442040), (40, 408887), (43, 380360), (74, 221020), (86, 190180), (148, 110510), (172, 95090), (185, 88408), (215, 76072), (257, 63640), (296, 55255), (344, 47545), (370, 44204), (430, 38036), (514, 31820), (740, 22102), (860, 19018), (1028, 15910), (1285, 12728), (1480, 11051), (1591, 10280), (1720, 9509), (2056, 7955), (2570, 6364), (3182, 5140)]