65302480

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1009}}^1$

素因数の和:1831

約数の個数: 40

約数和(自身を含む): 152166600

約数和(自身を除く): 86864120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1009, 1618, 2018, 3236, 4036, 4045, 5045, 6472, 8072, 8090, 10090, 12944, 16144, 16180, 20180, 32360, 40360, 64720, 80720, 816281, 1632562, 3265124, 4081405, 6530248, 8162810, 13060496, 16325620, 32651240, 65302480]

約数ペア:

[(1, 65302480), (2, 32651240), (4, 16325620), (5, 13060496), (8, 8162810), (10, 6530248), (16, 4081405), (20, 3265124), (40, 1632562), (80, 816281), (809, 80720), (1009, 64720), (1618, 40360), (2018, 32360), (3236, 20180), (4036, 16180), (4045, 16144), (5045, 12944), (6472, 10090), (8072, 8090)]