22955560

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 28832600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 887, 1294, 1774, 2588, 3235, 3548, 4435, 5176, 6470, 7096, 8870, 12940, 17740, 25880, 35480, 573889, 1147778, 2295556, 2869445, 4591112, 5738890, 11477780, 22955560]

約数ペア:

[(1, 22955560), (2, 11477780), (4, 5738890), (5, 4591112), (8, 2869445), (10, 2295556), (20, 1147778), (40, 573889), (647, 35480), (887, 25880), (1294, 17740), (1774, 12940), (2588, 8870), (3235, 7096), (3548, 6470), (4435, 5176)]