8778920320

素因数分解:

$2^7\times 5^1\times {\mathrm{13717063}}^1$

素因数の和:13717082

約数の個数: 32

約数和(自身を含む): 20987107920

約数和(自身を除く): 12208187600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13717063, 27434126, 54868252, 68585315, 109736504, 137170630, 219473008, 274341260, 438946016, 548682520, 877892032, 1097365040, 1755784064, 2194730080, 4389460160, 8778920320]

約数ペア:

[(1, 8778920320), (2, 4389460160), (4, 2194730080), (5, 1755784064), (8, 1097365040), (10, 877892032), (16, 548682520), (20, 438946016), (32, 274341260), (40, 219473008), (64, 137170630), (80, 109736504), (128, 68585315), (160, 54868252), (320, 27434126), (640, 13717063)]