28054760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41257}}^1$

素因数の和:41285

約数の個数: 32

約数和(自身を含む): 66837960

約数和(自身を除く): 38783200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41257, 82514, 165028, 206285, 330056, 412570, 701369, 825140, 1402738, 1650280, 2805476, 3506845, 5610952, 7013690, 14027380, 28054760]

約数ペア:

[(1, 28054760), (2, 14027380), (4, 7013690), (5, 5610952), (8, 3506845), (10, 2805476), (17, 1650280), (20, 1402738), (34, 825140), (40, 701369), (68, 412570), (85, 330056), (136, 206285), (170, 165028), (340, 82514), (680, 41257)]