1335880460

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{171707}}^1$

素因数の和:172105

約数の個数: 24

約数和(自身を含む): 2812577040

約数和(自身を除く): 1476696580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 171707, 343414, 686828, 858535, 1717070, 3434140, 66794023, 133588046, 267176092, 333970115, 667940230, 1335880460]

約数ペア:

[(1, 1335880460), (2, 667940230), (4, 333970115), (5, 267176092), (10, 133588046), (20, 66794023), (389, 3434140), (778, 1717070), (1556, 858535), (1945, 686828), (3890, 343414), (7780, 171707)]