171465640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13963}}^1$

素因数の和:14281

約数の個数: 32

約数和(自身を含む): 387082080

約数和(自身を除く): 215616440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 13963, 27926, 55852, 69815, 111704, 139630, 279260, 558520, 4286641, 8573282, 17146564, 21433205, 34293128, 42866410, 85732820, 171465640]

約数ペア:

[(1, 171465640), (2, 85732820), (4, 42866410), (5, 34293128), (8, 21433205), (10, 17146564), (20, 8573282), (40, 4286641), (307, 558520), (614, 279260), (1228, 139630), (1535, 111704), (2456, 69815), (3070, 55852), (6140, 27926), (12280, 13963)]