55335620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 120960000

約数和(自身を除く): 65624380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 599, 620, 745, 1198, 1490, 2396, 2980, 2995, 4619, 5990, 9238, 11980, 18476, 18569, 23095, 37138, 46190, 74276, 89251, 92380, 92845, 178502, 185690, 357004, 371380, 446255, 892510, 1785020, 2766781, 5533562, 11067124, 13833905, 27667810, 55335620]

約数ペア:

[(1, 55335620), (2, 27667810), (4, 13833905), (5, 11067124), (10, 5533562), (20, 2766781), (31, 1785020), (62, 892510), (124, 446255), (149, 371380), (155, 357004), (298, 185690), (310, 178502), (596, 92845), (599, 92380), (620, 89251), (745, 74276), (1198, 46190), (1490, 37138), (2396, 23095), (2980, 18569), (2995, 18476), (4619, 11980), (5990, 9238)]