804538760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{329729}}^1$

素因数の和:329801

約数の個数: 32

約数和(自身を含む): 1839893400

約数和(自身を除く): 1035354640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 329729, 659458, 1318916, 1648645, 2637832, 3297290, 6594580, 13189160, 20113469, 40226938, 80453876, 100567345, 160907752, 201134690, 402269380, 804538760]

約数ペア:

[(1, 804538760), (2, 402269380), (4, 201134690), (5, 160907752), (8, 100567345), (10, 80453876), (20, 40226938), (40, 20113469), (61, 13189160), (122, 6594580), (244, 3297290), (305, 2637832), (488, 1648645), (610, 1318916), (1220, 659458), (2440, 329729)]