2021640340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{66809}}^1$

素因数の和:66924

約数の個数: 48

約数和(自身を含む): 4545752400

約数和(自身を除く): 2524112060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 30260, 66809, 133618, 267236, 334045, 668090, 1135753, 1336180, 2271506, 4543012, 5678765, 5946001, 11357530, 11892002, 22715060, 23784004, 29730005, 59460010, 101082017, 118920020, 202164034, 404328068, 505410085, 1010820170, 2021640340]

約数ペア:

[(1, 2021640340), (2, 1010820170), (4, 505410085), (5, 404328068), (10, 202164034), (17, 118920020), (20, 101082017), (34, 59460010), (68, 29730005), (85, 23784004), (89, 22715060), (170, 11892002), (178, 11357530), (340, 5946001), (356, 5678765), (445, 4543012), (890, 2271506), (1513, 1336180), (1780, 1135753), (3026, 668090), (6052, 334045), (7565, 267236), (15130, 133618), (30260, 66809)]