61663760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45341}}^1$

素因数の和:45371

約数の個数: 40

約数和(自身を含む): 151805016

約数和(自身を除く): 90141256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 45341, 90682, 181364, 226705, 362728, 453410, 725456, 770797, 906820, 1541594, 1813640, 3083188, 3627280, 3853985, 6166376, 7707970, 12332752, 15415940, 30831880, 61663760]

約数ペア:

[(1, 61663760), (2, 30831880), (4, 15415940), (5, 12332752), (8, 7707970), (10, 6166376), (16, 3853985), (17, 3627280), (20, 3083188), (34, 1813640), (40, 1541594), (68, 906820), (80, 770797), (85, 725456), (136, 453410), (170, 362728), (272, 226705), (340, 181364), (680, 90682), (1360, 45341)]