3865480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2409

約数の個数: 32

約数和(自身を含む): 8913240

約数和(自身を除く): 5047760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2357, 4714, 9428, 11785, 18856, 23570, 47140, 94280, 96637, 193274, 386548, 483185, 773096, 966370, 1932740, 3865480]

約数ペア:

[(1, 3865480), (2, 1932740), (4, 966370), (5, 773096), (8, 483185), (10, 386548), (20, 193274), (40, 96637), (41, 94280), (82, 47140), (164, 23570), (205, 18856), (328, 11785), (410, 9428), (820, 4714), (1640, 2357)]