31985240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16319}}^1$

素因数の和:16344

約数の個数: 48

約数和(自身を含む): 83721600

約数和(自身を除く): 51736360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16319, 32638, 65276, 81595, 114233, 130552, 163190, 228466, 326380, 456932, 571165, 652760, 799631, 913864, 1142330, 1599262, 2284660, 3198524, 3998155, 4569320, 6397048, 7996310, 15992620, 31985240]

約数ペア:

[(1, 31985240), (2, 15992620), (4, 7996310), (5, 6397048), (7, 4569320), (8, 3998155), (10, 3198524), (14, 2284660), (20, 1599262), (28, 1142330), (35, 913864), (40, 799631), (49, 652760), (56, 571165), (70, 456932), (98, 326380), (140, 228466), (196, 163190), (245, 130552), (280, 114233), (392, 81595), (490, 65276), (980, 32638), (1960, 16319)]