39440860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 87091200

約数和(自身を除く): 47650340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 358, 460, 479, 716, 895, 958, 1790, 1916, 2395, 3580, 4117, 4790, 8234, 9580, 11017, 16468, 20585, 22034, 41170, 44068, 55085, 82340, 85741, 110170, 171482, 220340, 342964, 428705, 857410, 1714820, 1972043, 3944086, 7888172, 9860215, 19720430, 39440860]

約数ペア:

[(1, 39440860), (2, 19720430), (4, 9860215), (5, 7888172), (10, 3944086), (20, 1972043), (23, 1714820), (46, 857410), (92, 428705), (115, 342964), (179, 220340), (230, 171482), (358, 110170), (460, 85741), (479, 82340), (716, 55085), (895, 44068), (958, 41170), (1790, 22034), (1916, 20585), (2395, 16468), (3580, 11017), (4117, 9580), (4790, 8234)]