1368880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 3240864

約数和(自身を除く): 1871984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 241, 284, 355, 482, 568, 710, 964, 1136, 1205, 1420, 1928, 2410, 2840, 3856, 4820, 5680, 9640, 17111, 19280, 34222, 68444, 85555, 136888, 171110, 273776, 342220, 684440, 1368880]

約数ペア:

[(1, 1368880), (2, 684440), (4, 342220), (5, 273776), (8, 171110), (10, 136888), (16, 85555), (20, 68444), (40, 34222), (71, 19280), (80, 17111), (142, 9640), (241, 5680), (284, 4820), (355, 3856), (482, 2840), (568, 2410), (710, 1928), (964, 1420), (1136, 1205)]