31159880

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1013}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 70270200

約数和(自身を除く): 39110320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1013, 1538, 2026, 3076, 3845, 4052, 5065, 6152, 7690, 8104, 10130, 15380, 20260, 30760, 40520, 778997, 1557994, 3115988, 3894985, 6231976, 7789970, 15579940, 31159880]

約数ペア:

[(1, 31159880), (2, 15579940), (4, 7789970), (5, 6231976), (8, 3894985), (10, 3115988), (20, 1557994), (40, 778997), (769, 40520), (1013, 30760), (1538, 20260), (2026, 15380), (3076, 10130), (3845, 8104), (4052, 7690), (5065, 6152)]