7401640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9739}}^1$

素因数の和:9769

約数の個数: 32

約数和(自身を含む): 17532000

約数和(自身を除く): 10130360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 9739, 19478, 38956, 48695, 77912, 97390, 185041, 194780, 370082, 389560, 740164, 925205, 1480328, 1850410, 3700820, 7401640]

約数ペア:

[(1, 7401640), (2, 3700820), (4, 1850410), (5, 1480328), (8, 925205), (10, 740164), (19, 389560), (20, 370082), (38, 194780), (40, 185041), (76, 97390), (95, 77912), (152, 48695), (190, 38956), (380, 19478), (760, 9739)]