7903240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10429

約数の個数: 32

約数和(自身を含む): 18720000

約数和(自身を除く): 10816760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10399, 20798, 41596, 51995, 83192, 103990, 197581, 207980, 395162, 415960, 790324, 987905, 1580648, 1975810, 3951620, 7903240]

約数ペア:

[(1, 7903240), (2, 3951620), (4, 1975810), (5, 1580648), (8, 987905), (10, 790324), (19, 415960), (20, 395162), (38, 207980), (40, 197581), (76, 103990), (95, 83192), (152, 51995), (190, 41596), (380, 20798), (760, 10399)]