145195280

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4211}}^1$

素因数の和:4655

約数の個数: 40

約数和(自身を含む): 338442624

約数和(自身を除く): 193247344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4211, 4310, 6896, 8422, 8620, 16844, 17240, 21055, 33688, 34480, 42110, 67376, 84220, 168440, 336880, 1814941, 3629882, 7259764, 9074705, 14519528, 18149410, 29039056, 36298820, 72597640, 145195280]

約数ペア:

[(1, 145195280), (2, 72597640), (4, 36298820), (5, 29039056), (8, 18149410), (10, 14519528), (16, 9074705), (20, 7259764), (40, 3629882), (80, 1814941), (431, 336880), (862, 168440), (1724, 84220), (2155, 67376), (3448, 42110), (4211, 34480), (4310, 33688), (6896, 21055), (8422, 17240), (8620, 16844)]