1038445040

素因数分解:

$2^4\times 5^1\times {\mathrm{12980563}}^1$

素因数の和:12980576

約数の個数: 20

約数和(自身を含む): 2414384904

約数和(自身を除く): 1375939864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12980563, 25961126, 51922252, 64902815, 103844504, 129805630, 207689008, 259611260, 519222520, 1038445040]

約数ペア:

[(1, 1038445040), (2, 519222520), (4, 259611260), (5, 207689008), (8, 129805630), (10, 103844504), (16, 64902815), (20, 51922252), (40, 25961126), (80, 12980563)]