104972080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18481}}^1$

素因数の和:18565

約数の個数: 40

約数和(自身を含む): 247510944

約数和(自身を除く): 142538864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 18481, 36962, 73924, 92405, 147848, 184810, 295696, 369620, 739240, 1312151, 1478480, 2624302, 5248604, 6560755, 10497208, 13121510, 20994416, 26243020, 52486040, 104972080]

約数ペア:

[(1, 104972080), (2, 52486040), (4, 26243020), (5, 20994416), (8, 13121510), (10, 10497208), (16, 6560755), (20, 5248604), (40, 2624302), (71, 1478480), (80, 1312151), (142, 739240), (284, 369620), (355, 295696), (568, 184810), (710, 147848), (1136, 92405), (1420, 73924), (2840, 36962), (5680, 18481)]