1977520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 4843440

約数和(自身を除く): 2865920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1301, 1520, 2602, 5204, 6505, 10408, 13010, 20816, 24719, 26020, 49438, 52040, 98876, 104080, 123595, 197752, 247190, 395504, 494380, 988760, 1977520]

約数ペア:

[(1, 1977520), (2, 988760), (4, 494380), (5, 395504), (8, 247190), (10, 197752), (16, 123595), (19, 104080), (20, 98876), (38, 52040), (40, 49438), (76, 26020), (80, 24719), (95, 20816), (152, 13010), (190, 10408), (304, 6505), (380, 5204), (760, 2602), (1301, 1520)]