1271153680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157321}}^1$

素因数の和:157435

約数の個数: 40

約数和(自身を含む): 2984712984

約数和(自身を除く): 1713559304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 157321, 314642, 629284, 786605, 1258568, 1573210, 2517136, 3146420, 6292840, 12585680, 15889421, 31778842, 63557684, 79447105, 127115368, 158894210, 254230736, 317788420, 635576840, 1271153680]

約数ペア:

[(1, 1271153680), (2, 635576840), (4, 317788420), (5, 254230736), (8, 158894210), (10, 127115368), (16, 79447105), (20, 63557684), (40, 31778842), (80, 15889421), (101, 12585680), (202, 6292840), (404, 3146420), (505, 2517136), (808, 1573210), (1010, 1258568), (1616, 786605), (2020, 629284), (4040, 314642), (8080, 157321)]