13215640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17389}}^1$

素因数の和:17419

約数の個数: 32

約数和(自身を含む): 31302000

約数和(自身を除く): 18086360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17389, 34778, 69556, 86945, 139112, 173890, 330391, 347780, 660782, 695560, 1321564, 1651955, 2643128, 3303910, 6607820, 13215640]

約数ペア:

[(1, 13215640), (2, 6607820), (4, 3303910), (5, 2643128), (8, 1651955), (10, 1321564), (19, 695560), (20, 660782), (38, 347780), (40, 330391), (76, 173890), (95, 139112), (152, 86945), (190, 69556), (380, 34778), (760, 17389)]