168928880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29741}}^1$

素因数の和:29825

約数の個数: 40

約数和(自身を含む): 398304864

約数和(自身を除く): 229375984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 29741, 59482, 118964, 148705, 237928, 297410, 475856, 594820, 1189640, 2111611, 2379280, 4223222, 8446444, 10558055, 16892888, 21116110, 33785776, 42232220, 84464440, 168928880]

約数ペア:

[(1, 168928880), (2, 84464440), (4, 42232220), (5, 33785776), (8, 21116110), (10, 16892888), (16, 10558055), (20, 8446444), (40, 4223222), (71, 2379280), (80, 2111611), (142, 1189640), (284, 594820), (355, 475856), (568, 297410), (710, 237928), (1136, 148705), (1420, 118964), (2840, 59482), (5680, 29741)]