128899000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 305454240

約数和(自身を除く): 176555240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 332, 415, 500, 664, 830, 1000, 1553, 1660, 2075, 3106, 3320, 4150, 6212, 7765, 8300, 10375, 12424, 15530, 16600, 20750, 31060, 38825, 41500, 62120, 77650, 83000, 128899, 155300, 194125, 257798, 310600, 388250, 515596, 644495, 776500, 1031192, 1288990, 1553000, 2577980, 3222475, 5155960, 6444950, 12889900, 16112375, 25779800, 32224750, 64449500, 128899000]

約数ペア:

[(1, 128899000), (2, 64449500), (4, 32224750), (5, 25779800), (8, 16112375), (10, 12889900), (20, 6444950), (25, 5155960), (40, 3222475), (50, 2577980), (83, 1553000), (100, 1288990), (125, 1031192), (166, 776500), (200, 644495), (250, 515596), (332, 388250), (415, 310600), (500, 257798), (664, 194125), (830, 155300), (1000, 128899), (1553, 83000), (1660, 77650), (2075, 62120), (3106, 41500), (3320, 38825), (4150, 31060), (6212, 20750), (7765, 16600), (8300, 15530), (10375, 12424)]