127544720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83911}}^1$

素因数の和:83943

約数の個数: 40

約数和(自身を含む): 312152640

約数和(自身を除く): 184607920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 83911, 167822, 335644, 419555, 671288, 839110, 1342576, 1594309, 1678220, 3188618, 3356440, 6377236, 6712880, 7971545, 12754472, 15943090, 25508944, 31886180, 63772360, 127544720]

約数ペア:

[(1, 127544720), (2, 63772360), (4, 31886180), (5, 25508944), (8, 15943090), (10, 12754472), (16, 7971545), (19, 6712880), (20, 6377236), (38, 3356440), (40, 3188618), (76, 1678220), (80, 1594309), (95, 1342576), (152, 839110), (190, 671288), (304, 419555), (380, 335644), (760, 167822), (1520, 83911)]