61252720

素因数分解:

$2^4\times 5^1\times {\mathrm{765659}}^1$

素因数の和:765672

約数の個数: 20

約数和(自身を含む): 142412760

約数和(自身を除く): 81160040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 765659, 1531318, 3062636, 3828295, 6125272, 7656590, 12250544, 15313180, 30626360, 61252720]

約数ペア:

[(1, 61252720), (2, 30626360), (4, 15313180), (5, 12250544), (8, 7656590), (10, 6125272), (16, 3828295), (20, 3062636), (40, 1531318), (80, 765659)]