161769040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106427}}^1$

素因数の和:106459

約数の個数: 40

約数和(自身を含む): 395912160

約数和(自身を除く): 234143120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 106427, 212854, 425708, 532135, 851416, 1064270, 1702832, 2022113, 2128540, 4044226, 4257080, 8088452, 8514160, 10110565, 16176904, 20221130, 32353808, 40442260, 80884520, 161769040]

約数ペア:

[(1, 161769040), (2, 80884520), (4, 40442260), (5, 32353808), (8, 20221130), (10, 16176904), (16, 10110565), (19, 8514160), (20, 8088452), (38, 4257080), (40, 4044226), (76, 2128540), (80, 2022113), (95, 1702832), (152, 1064270), (190, 851416), (304, 532135), (380, 425708), (760, 212854), (1520, 106427)]