22721480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2357}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 51357240

約数和(自身を除く): 28635760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2357, 2410, 4714, 4820, 9428, 9640, 11785, 18856, 23570, 47140, 94280, 568037, 1136074, 2272148, 2840185, 4544296, 5680370, 11360740, 22721480]

約数ペア:

[(1, 22721480), (2, 11360740), (4, 5680370), (5, 4544296), (8, 2840185), (10, 2272148), (20, 1136074), (40, 568037), (241, 94280), (482, 47140), (964, 23570), (1205, 18856), (1928, 11785), (2357, 9640), (2410, 9428), (4714, 4820)]