91140880

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2719}}^1$

素因数の和:3151

約数の個数: 40

約数和(自身を含む): 212486400

約数和(自身を除く): 121345520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 2719, 3352, 4190, 5438, 6704, 8380, 10876, 13595, 16760, 21752, 27190, 33520, 43504, 54380, 108760, 217520, 1139261, 2278522, 4557044, 5696305, 9114088, 11392610, 18228176, 22785220, 45570440, 91140880]

約数ペア:

[(1, 91140880), (2, 45570440), (4, 22785220), (5, 18228176), (8, 11392610), (10, 9114088), (16, 5696305), (20, 4557044), (40, 2278522), (80, 1139261), (419, 217520), (838, 108760), (1676, 54380), (2095, 43504), (2719, 33520), (3352, 27190), (4190, 21752), (5438, 16760), (6704, 13595), (8380, 10876)]