68703920

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3169}}^1$

素因数の和:3453

約数の個数: 40

約数和(自身を含む): 160376640

約数和(自身を除く): 91672720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3169, 4336, 5420, 6338, 10840, 12676, 15845, 21680, 25352, 31690, 50704, 63380, 126760, 253520, 858799, 1717598, 3435196, 4293995, 6870392, 8587990, 13740784, 17175980, 34351960, 68703920]

約数ペア:

[(1, 68703920), (2, 34351960), (4, 17175980), (5, 13740784), (8, 8587990), (10, 6870392), (16, 4293995), (20, 3435196), (40, 1717598), (80, 858799), (271, 253520), (542, 126760), (1084, 63380), (1355, 50704), (2168, 31690), (2710, 25352), (3169, 21680), (4336, 15845), (5420, 12676), (6338, 10840)]