169728920

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{3217}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 382298400

約数和(自身を除く): 212569480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 3217, 5276, 6434, 6595, 10552, 12868, 13190, 16085, 25736, 26380, 32170, 52760, 64340, 128680, 4243223, 8486446, 16972892, 21216115, 33945784, 42432230, 84864460, 169728920]

約数ペア:

[(1, 169728920), (2, 84864460), (4, 42432230), (5, 33945784), (8, 21216115), (10, 16972892), (20, 8486446), (40, 4243223), (1319, 128680), (2638, 64340), (3217, 52760), (5276, 32170), (6434, 26380), (6595, 25736), (10552, 16085), (12868, 13190)]