51179360

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4143

約数の個数: 48

約数和(自身を含む): 122472000

約数和(自身を除く): 71292640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 4049, 6320, 8098, 12640, 16196, 20245, 32392, 40490, 64784, 80980, 129568, 161960, 319871, 323920, 639742, 647840, 1279484, 1599355, 2558968, 3198710, 5117936, 6397420, 10235872, 12794840, 25589680, 51179360]

約数ペア:

[(1, 51179360), (2, 25589680), (4, 12794840), (5, 10235872), (8, 6397420), (10, 5117936), (16, 3198710), (20, 2558968), (32, 1599355), (40, 1279484), (79, 647840), (80, 639742), (158, 323920), (160, 319871), (316, 161960), (395, 129568), (632, 80980), (790, 64784), (1264, 40490), (1580, 32392), (2528, 20245), (3160, 16196), (4049, 12640), (6320, 8098)]