51346840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16249}}^1$

素因数の和:16339

約数の個数: 32

約数和(自身を含む): 117000000

約数和(自身を除く): 65653160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 649960, 1283671, 2567342, 5134684, 6418355, 10269368, 12836710, 25673420, 51346840]

約数ペア:

[(1, 51346840), (2, 25673420), (4, 12836710), (5, 10269368), (8, 6418355), (10, 5134684), (20, 2567342), (40, 1283671), (79, 649960), (158, 324980), (316, 162490), (395, 129992), (632, 81245), (790, 64996), (1580, 32498), (3160, 16249)]