29091760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21391}}^1$

素因数の和:21421

約数の個数: 40

約数和(自身を含む): 71620416

約数和(自身を除く): 42528656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21391, 42782, 85564, 106955, 171128, 213910, 342256, 363647, 427820, 727294, 855640, 1454588, 1711280, 1818235, 2909176, 3636470, 5818352, 7272940, 14545880, 29091760]

約数ペア:

[(1, 29091760), (2, 14545880), (4, 7272940), (5, 5818352), (8, 3636470), (10, 2909176), (16, 1818235), (17, 1711280), (20, 1454588), (34, 855640), (40, 727294), (68, 427820), (80, 363647), (85, 342256), (136, 213910), (170, 171128), (272, 106955), (340, 85564), (680, 42782), (1360, 21391)]