64711910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 123055200

約数和(自身を除く): 58343290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421, 809, 842, 1618, 2105, 4045, 4210, 7999, 8090, 15371, 15998, 30742, 39995, 76855, 79990, 153710, 340589, 681178, 1702945, 3405890, 6471191, 12942382, 32355955, 64711910]

約数ペア:

[(1, 64711910), (2, 32355955), (5, 12942382), (10, 6471191), (19, 3405890), (38, 1702945), (95, 681178), (190, 340589), (421, 153710), (809, 79990), (842, 76855), (1618, 39995), (2105, 30742), (4045, 15998), (4210, 15371), (7999, 8090)]