9921560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22549}}^1$

素因数の和:22571

約数の個数: 32

約数和(自身を含む): 24354000

約数和(自身を除く): 14432440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22549, 45098, 90196, 112745, 180392, 225490, 248039, 450980, 496078, 901960, 992156, 1240195, 1984312, 2480390, 4960780, 9921560]

約数ペア:

[(1, 9921560), (2, 4960780), (4, 2480390), (5, 1984312), (8, 1240195), (10, 992156), (11, 901960), (20, 496078), (22, 450980), (40, 248039), (44, 225490), (55, 180392), (88, 112745), (110, 90196), (220, 45098), (440, 22549)]