117770440

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2971}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 265340160

約数和(自身を除く): 147569720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 2971, 3964, 4955, 5942, 7928, 9910, 11884, 14855, 19820, 23768, 29710, 39640, 59420, 118840, 2944261, 5888522, 11777044, 14721305, 23554088, 29442610, 58885220, 117770440]

約数ペア:

[(1, 117770440), (2, 58885220), (4, 29442610), (5, 23554088), (8, 14721305), (10, 11777044), (20, 5888522), (40, 2944261), (991, 118840), (1982, 59420), (2971, 39640), (3964, 29710), (4955, 23768), (5942, 19820), (7928, 14855), (9910, 11884)]