208996845560

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{10265071}}^1$

素因数の和:10265591

約数の個数: 32

約数和(自身を含む): 471166804800

約数和(自身を除く): 262169959240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 10265071, 20530142, 41060284, 51325355, 82120568, 102650710, 205301420, 410602840, 5224921139, 10449842278, 20899684556, 26124605695, 41799369112, 52249211390, 104498422780, 208996845560]

約数ペア:

[(1, 208996845560), (2, 104498422780), (4, 52249211390), (5, 41799369112), (8, 26124605695), (10, 20899684556), (20, 10449842278), (40, 5224921139), (509, 410602840), (1018, 205301420), (2036, 102650710), (2545, 82120568), (4072, 51325355), (5090, 41060284), (10180, 20530142), (20360, 10265071)]