80813080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{941}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 193298400

約数和(自身を除く): 112485320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 941, 1130, 1882, 2147, 2260, 3764, 4294, 4520, 4705, 7528, 8588, 9410, 10735, 17176, 17879, 18820, 21470, 35758, 37640, 42940, 71516, 85880, 89395, 106333, 143032, 178790, 212666, 357580, 425332, 531665, 715160, 850664, 1063330, 2020327, 2126660, 4040654, 4253320, 8081308, 10101635, 16162616, 20203270, 40406540, 80813080]

約数ペア:

[(1, 80813080), (2, 40406540), (4, 20203270), (5, 16162616), (8, 10101635), (10, 8081308), (19, 4253320), (20, 4040654), (38, 2126660), (40, 2020327), (76, 1063330), (95, 850664), (113, 715160), (152, 531665), (190, 425332), (226, 357580), (380, 212666), (452, 178790), (565, 143032), (760, 106333), (904, 89395), (941, 85880), (1130, 71516), (1882, 42940), (2147, 37640), (2260, 35758), (3764, 21470), (4294, 18820), (4520, 17879), (4705, 17176), (7528, 10735), (8588, 9410)]