19749520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35267}}^1$

素因数の和:35287

約数の個数: 40

約数和(自身を含む): 52478784

約数和(自身を除く): 32729264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35267, 70534, 141068, 176335, 246869, 282136, 352670, 493738, 564272, 705340, 987476, 1234345, 1410680, 1974952, 2468690, 2821360, 3949904, 4937380, 9874760, 19749520]

約数ペア:

[(1, 19749520), (2, 9874760), (4, 4937380), (5, 3949904), (7, 2821360), (8, 2468690), (10, 1974952), (14, 1410680), (16, 1234345), (20, 987476), (28, 705340), (35, 564272), (40, 493738), (56, 352670), (70, 282136), (80, 246869), (112, 176335), (140, 141068), (280, 70534), (560, 35267)]