1255486520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{323579}}^1$

素因数の和:323687

約数の個数: 32

約数和(自身を含む): 2853975600

約数和(自身を除く): 1598489080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 323579, 647158, 1294316, 1617895, 2588632, 3235790, 6471580, 12943160, 31387163, 62774326, 125548652, 156935815, 251097304, 313871630, 627743260, 1255486520]

約数ペア:

[(1, 1255486520), (2, 627743260), (4, 313871630), (5, 251097304), (8, 156935815), (10, 125548652), (20, 62774326), (40, 31387163), (97, 12943160), (194, 6471580), (388, 3235790), (485, 2588632), (776, 1617895), (970, 1294316), (1940, 647158), (3880, 323579)]