64045160

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6379}}^1$

素因数の和:6641

約数の個数: 32

約数和(自身を含む): 144698400

約数和(自身を除く): 80653240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6379, 10040, 12758, 25516, 31895, 51032, 63790, 127580, 255160, 1601129, 3202258, 6404516, 8005645, 12809032, 16011290, 32022580, 64045160]

約数ペア:

[(1, 64045160), (2, 32022580), (4, 16011290), (5, 12809032), (8, 8005645), (10, 6404516), (20, 3202258), (40, 1601129), (251, 255160), (502, 127580), (1004, 63790), (1255, 51032), (2008, 31895), (2510, 25516), (5020, 12758), (6379, 10040)]