12783121960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6522001}}^1$

素因数の和:6522026

約数の個数: 48

約数和(自身を含む): 33457870260

約数和(自身を除く): 20674748300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6522001, 13044002, 26088004, 32610005, 45654007, 52176008, 65220010, 91308014, 130440020, 182616028, 228270035, 260880040, 319578049, 365232056, 456540070, 639156098, 913080140, 1278312196, 1597890245, 1826160280, 2556624392, 3195780490, 6391560980, 12783121960]

約数ペア:

[(1, 12783121960), (2, 6391560980), (4, 3195780490), (5, 2556624392), (7, 1826160280), (8, 1597890245), (10, 1278312196), (14, 913080140), (20, 639156098), (28, 456540070), (35, 365232056), (40, 319578049), (49, 260880040), (56, 228270035), (70, 182616028), (98, 130440020), (140, 91308014), (196, 65220010), (245, 52176008), (280, 45654007), (392, 32610005), (490, 26088004), (980, 13044002), (1960, 6522001)]