2080407760

素因数分解:

$2^4\times 5^1\times {\mathrm{26005097}}^1$

素因数の和:26005110

約数の個数: 20

約数和(自身を含む): 4836948228

約数和(自身を除く): 2756540468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26005097, 52010194, 104020388, 130025485, 208040776, 260050970, 416081552, 520101940, 1040203880, 2080407760]

約数ペア:

[(1, 2080407760), (2, 1040203880), (4, 520101940), (5, 416081552), (8, 260050970), (10, 208040776), (16, 130025485), (20, 104020388), (40, 52010194), (80, 26005097)]