581318480

素因数分解:

$2^4\times 5^1\times {\mathrm{7266481}}^1$

素因数の和:7266494

約数の個数: 20

約数和(自身を含む): 1351565652

約数和(自身を除く): 770247172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7266481, 14532962, 29065924, 36332405, 58131848, 72664810, 116263696, 145329620, 290659240, 581318480]

約数ペア:

[(1, 581318480), (2, 290659240), (4, 145329620), (5, 116263696), (8, 72664810), (10, 58131848), (16, 36332405), (20, 29065924), (40, 14532962), (80, 7266481)]