13411220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 29503488

約数和(自身を除く): 16092268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 223, 310, 388, 446, 485, 620, 892, 970, 1115, 1940, 2230, 3007, 4460, 6014, 6913, 12028, 13826, 15035, 21631, 27652, 30070, 34565, 43262, 60140, 69130, 86524, 108155, 138260, 216310, 432620, 670561, 1341122, 2682244, 3352805, 6705610, 13411220]

約数ペア:

[(1, 13411220), (2, 6705610), (4, 3352805), (5, 2682244), (10, 1341122), (20, 670561), (31, 432620), (62, 216310), (97, 138260), (124, 108155), (155, 86524), (194, 69130), (223, 60140), (310, 43262), (388, 34565), (446, 30070), (485, 27652), (620, 21631), (892, 15035), (970, 13826), (1115, 12028), (1940, 6913), (2230, 6014), (3007, 4460)]