260261980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{20051}}^1$

素因数の和:20130

約数の個数: 48

約数和(自身を含む): 606372480

約数和(自身を除く): 346110500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 20051, 40102, 80204, 100255, 200510, 220561, 401020, 441122, 882244, 1102805, 1183009, 2205610, 2366018, 4411220, 4732036, 5915045, 11830090, 13013099, 23660180, 26026198, 52052396, 65065495, 130130990, 260261980]

約数ペア:

[(1, 260261980), (2, 130130990), (4, 65065495), (5, 52052396), (10, 26026198), (11, 23660180), (20, 13013099), (22, 11830090), (44, 5915045), (55, 4732036), (59, 4411220), (110, 2366018), (118, 2205610), (220, 1183009), (236, 1102805), (295, 882244), (590, 441122), (649, 401020), (1180, 220561), (1298, 200510), (2596, 100255), (3245, 80204), (6490, 40102), (12980, 20051)]