8997640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11869

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 12314360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11839, 23678, 47356, 59195, 94712, 118390, 224941, 236780, 449882, 473560, 899764, 1124705, 1799528, 2249410, 4498820, 8997640]

約数ペア:

[(1, 8997640), (2, 4498820), (4, 2249410), (5, 1799528), (8, 1124705), (10, 899764), (19, 473560), (20, 449882), (38, 236780), (40, 224941), (76, 118390), (95, 94712), (152, 59195), (190, 47356), (380, 23678), (760, 11839)]