6401560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14549}}^1$

素因数の和:14571

約数の個数: 32

約数和(自身を含む): 15714000

約数和(自身を除く): 9312440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 14549, 29098, 58196, 72745, 116392, 145490, 160039, 290980, 320078, 581960, 640156, 800195, 1280312, 1600390, 3200780, 6401560]

約数ペア:

[(1, 6401560), (2, 3200780), (4, 1600390), (5, 1280312), (8, 800195), (10, 640156), (11, 581960), (20, 320078), (22, 290980), (40, 160039), (44, 145490), (55, 116392), (88, 72745), (110, 58196), (220, 29098), (440, 14549)]