99626480

素因数分解:

$2^4\times 5^1\times {\mathrm{1245331}}^1$

素因数の和:1245344

約数の個数: 20

約数和(自身を含む): 231631752

約数和(自身を除く): 132005272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1245331, 2490662, 4981324, 6226655, 9962648, 12453310, 19925296, 24906620, 49813240, 99626480]

約数ペア:

[(1, 99626480), (2, 49813240), (4, 24906620), (5, 19925296), (8, 12453310), (10, 9962648), (16, 6226655), (20, 4981324), (40, 2490662), (80, 1245331)]