1640987560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2413217}}^1$

素因数の和:2413245

約数の個数: 32

約数和(自身を含む): 3909413160

約数和(自身を除く): 2268425600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2413217, 4826434, 9652868, 12066085, 19305736, 24132170, 41024689, 48264340, 82049378, 96528680, 164098756, 205123445, 328197512, 410246890, 820493780, 1640987560]

約数ペア:

[(1, 1640987560), (2, 820493780), (4, 410246890), (5, 328197512), (8, 205123445), (10, 164098756), (17, 96528680), (20, 82049378), (34, 48264340), (40, 41024689), (68, 24132170), (85, 19305736), (136, 12066085), (170, 9652868), (340, 4826434), (680, 2413217)]