2661115970

素因数分解:

$2^1\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{160019}}^1$

素因数の和:161689

約数の個数: 16

約数和(自身を含む): 4792919040

約数和(自身を除く): 2131803070

約数列:

[1, 2, 5, 10, 1663, 3326, 8315, 16630, 160019, 320038, 800095, 1600190, 266111597, 532223194, 1330557985, 2661115970]

約数ペア:

[(1, 2661115970), (2, 1330557985), (5, 532223194), (10, 266111597), (1663, 1600190), (3326, 800095), (8315, 320038), (16630, 160019)]