1989706280

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{48247}}^1$

素因数の和:49289

約数の個数: 32

約数和(自身を含む): 4481274240

約数和(自身を除く): 2491567960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 48247, 96494, 192988, 241235, 385976, 482470, 964940, 1929880, 49742657, 99485314, 198970628, 248713285, 397941256, 497426570, 994853140, 1989706280]

約数ペア:

[(1, 1989706280), (2, 994853140), (4, 497426570), (5, 397941256), (8, 248713285), (10, 198970628), (20, 99485314), (40, 49742657), (1031, 1929880), (2062, 964940), (4124, 482470), (5155, 385976), (8248, 241235), (10310, 192988), (20620, 96494), (41240, 48247)]