168202480

素因数分解:

$2^4\times 5^1\times {\mathrm{2102531}}^1$

素因数の和:2102544

約数の個数: 20

約数和(自身を含む): 391070952

約数和(自身を除く): 222868472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2102531, 4205062, 8410124, 10512655, 16820248, 21025310, 33640496, 42050620, 84101240, 168202480]

約数ペア:

[(1, 168202480), (2, 84101240), (4, 42050620), (5, 33640496), (8, 21025310), (10, 16820248), (16, 10512655), (20, 8410124), (40, 4205062), (80, 2102531)]