80196380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 191264640

約数和(自身を除く): 111068260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1069, 1210, 1364, 1705, 2138, 2420, 3410, 3751, 4276, 5345, 6820, 7502, 10690, 11759, 15004, 18755, 21380, 23518, 33139, 37510, 47036, 58795, 66278, 75020, 117590, 129349, 132556, 165695, 235180, 258698, 331390, 364529, 517396, 646745, 662780, 729058, 1293490, 1458116, 1822645, 2586980, 3645290, 4009819, 7290580, 8019638, 16039276, 20049095, 40098190, 80196380]

約数ペア:

[(1, 80196380), (2, 40098190), (4, 20049095), (5, 16039276), (10, 8019638), (11, 7290580), (20, 4009819), (22, 3645290), (31, 2586980), (44, 1822645), (55, 1458116), (62, 1293490), (110, 729058), (121, 662780), (124, 646745), (155, 517396), (220, 364529), (242, 331390), (310, 258698), (341, 235180), (484, 165695), (605, 132556), (620, 129349), (682, 117590), (1069, 75020), (1210, 66278), (1364, 58795), (1705, 47036), (2138, 37510), (2420, 33139), (3410, 23518), (3751, 21380), (4276, 18755), (5345, 15004), (6820, 11759), (7502, 10690)]