78464560

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4283}}^1$

素因数の和:4525

約数の個数: 40

約数和(自身を含む): 183269520

約数和(自身を除く): 104804960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4283, 4580, 8566, 9160, 17132, 18320, 21415, 34264, 42830, 68528, 85660, 171320, 342640, 980807, 1961614, 3923228, 4904035, 7846456, 9808070, 15692912, 19616140, 39232280, 78464560]

約数ペア:

[(1, 78464560), (2, 39232280), (4, 19616140), (5, 15692912), (8, 9808070), (10, 7846456), (16, 4904035), (20, 3923228), (40, 1961614), (80, 980807), (229, 342640), (458, 171320), (916, 85660), (1145, 68528), (1832, 42830), (2290, 34264), (3664, 21415), (4283, 18320), (4580, 17132), (8566, 9160)]