99892880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65719}}^1$

素因数の和:65751

約数の個数: 40

約数和(自身を含む): 244478400

約数和(自身を除く): 144585520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 65719, 131438, 262876, 328595, 525752, 657190, 1051504, 1248661, 1314380, 2497322, 2628760, 4994644, 5257520, 6243305, 9989288, 12486610, 19978576, 24973220, 49946440, 99892880]

約数ペア:

[(1, 99892880), (2, 49946440), (4, 24973220), (5, 19978576), (8, 12486610), (10, 9989288), (16, 6243305), (19, 5257520), (20, 4994644), (38, 2628760), (40, 2497322), (76, 1314380), (80, 1248661), (95, 1051504), (152, 657190), (190, 525752), (304, 328595), (380, 262876), (760, 131438), (1520, 65719)]