20161325750

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{6917}}^1$

素因数の和:7154

約数の個数: 64

約数和(自身を含む): 38462973120

約数和(自身を除く): 18301647370

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 131, 178, 250, 262, 445, 655, 890, 1310, 2225, 3275, 4450, 6550, 6917, 11125, 11659, 13834, 16375, 22250, 23318, 32750, 34585, 58295, 69170, 116590, 172925, 291475, 345850, 582950, 615613, 864625, 906127, 1231226, 1457375, 1729250, 1812254, 2914750, 3078065, 4530635, 6156130, 9061270, 15390325, 22653175, 30780650, 45306350, 76951625, 80645303, 113265875, 153903250, 161290606, 226531750, 403226515, 806453030, 2016132575, 4032265150, 10080662875, 20161325750]

約数ペア:

[(1, 20161325750), (2, 10080662875), (5, 4032265150), (10, 2016132575), (25, 806453030), (50, 403226515), (89, 226531750), (125, 161290606), (131, 153903250), (178, 113265875), (250, 80645303), (262, 76951625), (445, 45306350), (655, 30780650), (890, 22653175), (1310, 15390325), (2225, 9061270), (3275, 6156130), (4450, 4530635), (6550, 3078065), (6917, 2914750), (11125, 1812254), (11659, 1729250), (13834, 1457375), (16375, 1231226), (22250, 906127), (23318, 864625), (32750, 615613), (34585, 582950), (58295, 345850), (69170, 291475), (116590, 172925)]