127767440

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3557}}^1$

素因数の和:4019

約数の個数: 40

約数和(自身を含む): 297804600

約数和(自身を除く): 170037160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3557, 3592, 4490, 7114, 7184, 8980, 14228, 17785, 17960, 28456, 35570, 35920, 56912, 71140, 142280, 284560, 1597093, 3194186, 6388372, 7985465, 12776744, 15970930, 25553488, 31941860, 63883720, 127767440]

約数ペア:

[(1, 127767440), (2, 63883720), (4, 31941860), (5, 25553488), (8, 15970930), (10, 12776744), (16, 7985465), (20, 6388372), (40, 3194186), (80, 1597093), (449, 284560), (898, 142280), (1796, 71140), (2245, 56912), (3557, 35920), (3592, 35570), (4490, 28456), (7114, 17960), (7184, 17785), (8980, 14228)]