156964015960

素因数分解:

$2^3\times 5^1\times {\mathrm{9941}}^1\times {\mathrm{394739}}^1$

素因数の和:404691

約数の個数: 32

約数和(自身を含む): 353205457200

約数和(自身を除く): 196241441240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9941, 19882, 39764, 49705, 79528, 99410, 198820, 394739, 397640, 789478, 1578956, 1973695, 3157912, 3947390, 7894780, 15789560, 3924100399, 7848200798, 15696401596, 19620501995, 31392803192, 39241003990, 78482007980, 156964015960]

約数ペア:

[(1, 156964015960), (2, 78482007980), (4, 39241003990), (5, 31392803192), (8, 19620501995), (10, 15696401596), (20, 7848200798), (40, 3924100399), (9941, 15789560), (19882, 7894780), (39764, 3947390), (49705, 3157912), (79528, 1973695), (99410, 1578956), (198820, 789478), (394739, 397640)]