2012655280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1454

約数の個数: 80

約数和(自身を含む): 4751195904

約数和(自身を除く): 2738540624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 223, 404, 446, 505, 808, 892, 1010, 1115, 1117, 1616, 1784, 2020, 2230, 2234, 3568, 4040, 4460, 4468, 5585, 8080, 8920, 8936, 11170, 17840, 17872, 22340, 22523, 44680, 45046, 89360, 90092, 112615, 112817, 180184, 225230, 225634, 249091, 360368, 450460, 451268, 498182, 564085, 900920, 902536, 996364, 1128170, 1245455, 1801840, 1805072, 1992728, 2256340, 2490910, 3985456, 4512680, 4981820, 9025360, 9963640, 19927280, 25158191, 50316382, 100632764, 125790955, 201265528, 251581910, 402531056, 503163820, 1006327640, 2012655280]

約数ペア:

[(1, 2012655280), (2, 1006327640), (4, 503163820), (5, 402531056), (8, 251581910), (10, 201265528), (16, 125790955), (20, 100632764), (40, 50316382), (80, 25158191), (101, 19927280), (202, 9963640), (223, 9025360), (404, 4981820), (446, 4512680), (505, 3985456), (808, 2490910), (892, 2256340), (1010, 1992728), (1115, 1805072), (1117, 1801840), (1616, 1245455), (1784, 1128170), (2020, 996364), (2230, 902536), (2234, 900920), (3568, 564085), (4040, 498182), (4460, 451268), (4468, 450460), (5585, 360368), (8080, 249091), (8920, 225634), (8936, 225230), (11170, 180184), (17840, 112817), (17872, 112615), (22340, 90092), (22523, 89360), (44680, 45046)]