54385720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79979}}^1$

素因数の和:80007

約数の個数: 32

約数和(自身を含む): 129567600

約数和(自身を除く): 75181880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 79979, 159958, 319916, 399895, 639832, 799790, 1359643, 1599580, 2719286, 3199160, 5438572, 6798215, 10877144, 13596430, 27192860, 54385720]

約数ペア:

[(1, 54385720), (2, 27192860), (4, 13596430), (5, 10877144), (8, 6798215), (10, 5438572), (17, 3199160), (20, 2719286), (34, 1599580), (40, 1359643), (68, 799790), (85, 639832), (136, 399895), (170, 319916), (340, 159958), (680, 79979)]