19984080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83267}}^1$

素因数の和:83283

約数の個数: 40

約数和(自身を含む): 61951392

約数和(自身を除く): 41967312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83267, 166534, 249801, 333068, 416335, 499602, 666136, 832670, 999204, 1249005, 1332272, 1665340, 1998408, 2498010, 3330680, 3996816, 4996020, 6661360, 9992040, 19984080]

約数ペア:

[(1, 19984080), (2, 9992040), (3, 6661360), (4, 4996020), (5, 3996816), (6, 3330680), (8, 2498010), (10, 1998408), (12, 1665340), (15, 1332272), (16, 1249005), (20, 999204), (24, 832670), (30, 666136), (40, 499602), (48, 416335), (60, 333068), (80, 249801), (120, 166534), (240, 83267)]