12880857550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{28949}}^1$

素因数の和:29781

約数の個数: 48

約数和(自身を含む): 26169642000

約数和(自身を除く): 13288784450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 809, 1618, 4045, 8090, 8899, 17798, 20225, 28949, 40450, 44495, 57898, 88990, 144745, 222475, 289490, 318439, 444950, 636878, 723725, 1447450, 1592195, 3184390, 7960975, 15921950, 23419741, 46839482, 117098705, 234197410, 257617151, 515234302, 585493525, 1170987050, 1288085755, 2576171510, 6440428775, 12880857550]

約数ペア:

[(1, 12880857550), (2, 6440428775), (5, 2576171510), (10, 1288085755), (11, 1170987050), (22, 585493525), (25, 515234302), (50, 257617151), (55, 234197410), (110, 117098705), (275, 46839482), (550, 23419741), (809, 15921950), (1618, 7960975), (4045, 3184390), (8090, 1592195), (8899, 1447450), (17798, 723725), (20225, 636878), (28949, 444950), (40450, 318439), (44495, 289490), (57898, 222475), (88990, 144745)]