80687420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11831}}^1$

素因数の和:11882

約数の個数: 48

約数和(自身を含む): 190826496

約数和(自身を除く): 110139076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 11831, 23662, 47324, 59155, 118310, 130141, 236620, 260282, 366761, 520564, 650705, 733522, 1301410, 1467044, 1833805, 2602820, 3667610, 4034371, 7335220, 8068742, 16137484, 20171855, 40343710, 80687420]

約数ペア:

[(1, 80687420), (2, 40343710), (4, 20171855), (5, 16137484), (10, 8068742), (11, 7335220), (20, 4034371), (22, 3667610), (31, 2602820), (44, 1833805), (55, 1467044), (62, 1301410), (110, 733522), (124, 650705), (155, 520564), (220, 366761), (310, 260282), (341, 236620), (620, 130141), (682, 118310), (1364, 59155), (1705, 47324), (3410, 23662), (6820, 11831)]