90697720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133379}}^1$

素因数の和:133407

約数の個数: 32

約数和(自身を含む): 216075600

約数和(自身を除く): 125377880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133379, 266758, 533516, 666895, 1067032, 1333790, 2267443, 2667580, 4534886, 5335160, 9069772, 11337215, 18139544, 22674430, 45348860, 90697720]

約数ペア:

[(1, 90697720), (2, 45348860), (4, 22674430), (5, 18139544), (8, 11337215), (10, 9069772), (17, 5335160), (20, 4534886), (34, 2667580), (40, 2267443), (68, 1333790), (85, 1067032), (136, 666895), (170, 533516), (340, 266758), (680, 133379)]