404293520

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{26459}}^1$

素因数の和:26663

約数の個数: 40

約数和(自身を含む): 944939520

約数和(自身を除く): 540646000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 26459, 52918, 105836, 132295, 211672, 264590, 423344, 529180, 1058360, 2116720, 5053669, 10107338, 20214676, 25268345, 40429352, 50536690, 80858704, 101073380, 202146760, 404293520]

約数ペア:

[(1, 404293520), (2, 202146760), (4, 101073380), (5, 80858704), (8, 50536690), (10, 40429352), (16, 25268345), (20, 20214676), (40, 10107338), (80, 5053669), (191, 2116720), (382, 1058360), (764, 529180), (955, 423344), (1528, 264590), (1910, 211672), (3056, 132295), (3820, 105836), (7640, 52918), (15280, 26459)]