7899880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4817}}^1$

素因数の和:4869

約数の個数: 32

約数和(自身を含む): 18212040

約数和(自身を除く): 10312160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4817, 9634, 19268, 24085, 38536, 48170, 96340, 192680, 197497, 394994, 789988, 987485, 1579976, 1974970, 3949940, 7899880]

約数ペア:

[(1, 7899880), (2, 3949940), (4, 1974970), (5, 1579976), (8, 987485), (10, 789988), (20, 394994), (40, 197497), (41, 192680), (82, 96340), (164, 48170), (205, 38536), (328, 24085), (410, 19268), (820, 9634), (1640, 4817)]