3145640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 7452000

約数和(自身を除く): 4306360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 4139, 8278, 16556, 20695, 33112, 41390, 78641, 82780, 157282, 165560, 314564, 393205, 629128, 786410, 1572820, 3145640]

約数ペア:

[(1, 3145640), (2, 1572820), (4, 786410), (5, 629128), (8, 393205), (10, 314564), (19, 165560), (20, 157282), (38, 82780), (40, 78641), (76, 41390), (95, 33112), (152, 20695), (190, 16556), (380, 8278), (760, 4139)]