79858160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 192925152

約数和(自身を除く): 113066992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 251, 328, 388, 410, 485, 502, 656, 776, 820, 970, 1004, 1255, 1552, 1640, 1940, 2008, 2510, 3280, 3880, 3977, 4016, 5020, 7760, 7954, 10040, 10291, 15908, 19885, 20080, 20582, 24347, 31816, 39770, 41164, 48694, 51455, 63632, 79540, 82328, 97388, 102910, 121735, 159080, 164656, 194776, 205820, 243470, 318160, 389552, 411640, 486940, 823280, 973880, 998227, 1947760, 1996454, 3992908, 4991135, 7985816, 9982270, 15971632, 19964540, 39929080, 79858160]

約数ペア:

[(1, 79858160), (2, 39929080), (4, 19964540), (5, 15971632), (8, 9982270), (10, 7985816), (16, 4991135), (20, 3992908), (40, 1996454), (41, 1947760), (80, 998227), (82, 973880), (97, 823280), (164, 486940), (194, 411640), (205, 389552), (251, 318160), (328, 243470), (388, 205820), (410, 194776), (485, 164656), (502, 159080), (656, 121735), (776, 102910), (820, 97388), (970, 82328), (1004, 79540), (1255, 63632), (1552, 51455), (1640, 48694), (1940, 41164), (2008, 39770), (2510, 31816), (3280, 24347), (3880, 20582), (3977, 20080), (4016, 19885), (5020, 15908), (7760, 10291), (7954, 10040)]