26739920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4323

約数の個数: 40

約数和(自身を含む): 62972160

約数和(自身を除く): 36232240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4231, 6320, 8462, 16924, 21155, 33848, 42310, 67696, 84620, 169240, 334249, 338480, 668498, 1336996, 1671245, 2673992, 3342490, 5347984, 6684980, 13369960, 26739920]

約数ペア:

[(1, 26739920), (2, 13369960), (4, 6684980), (5, 5347984), (8, 3342490), (10, 2673992), (16, 1671245), (20, 1336996), (40, 668498), (79, 338480), (80, 334249), (158, 169240), (316, 84620), (395, 67696), (632, 42310), (790, 33848), (1264, 21155), (1580, 16924), (3160, 8462), (4231, 6320)]