77749520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51151}}^1$

素因数の和:51183

約数の個数: 40

約数和(自身を含む): 190285440

約数和(自身を除く): 112535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51151, 102302, 204604, 255755, 409208, 511510, 818416, 971869, 1023020, 1943738, 2046040, 3887476, 4092080, 4859345, 7774952, 9718690, 15549904, 19437380, 38874760, 77749520]

約数ペア:

[(1, 77749520), (2, 38874760), (4, 19437380), (5, 15549904), (8, 9718690), (10, 7774952), (16, 4859345), (19, 4092080), (20, 3887476), (38, 2046040), (40, 1943738), (76, 1023020), (80, 971869), (95, 818416), (152, 511510), (190, 409208), (304, 255755), (380, 204604), (760, 102302), (1520, 51151)]