6420560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4751

約数の個数: 40

約数和(自身を含む): 15809256

約数和(自身を除く): 9388696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 4721, 9442, 18884, 23605, 37768, 47210, 75536, 80257, 94420, 160514, 188840, 321028, 377680, 401285, 642056, 802570, 1284112, 1605140, 3210280, 6420560]

約数ペア:

[(1, 6420560), (2, 3210280), (4, 1605140), (5, 1284112), (8, 802570), (10, 642056), (16, 401285), (17, 377680), (20, 321028), (34, 188840), (40, 160514), (68, 94420), (80, 80257), (85, 75536), (136, 47210), (170, 37768), (272, 23605), (340, 18884), (680, 9442), (1360, 4721)]