82381040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 220527552

約数和(自身を除く): 138146512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 937, 1099, 1256, 1570, 1874, 2198, 2512, 3140, 3748, 4396, 4685, 5495, 6280, 6559, 7496, 8792, 9370, 10990, 12560, 13118, 14992, 17584, 18740, 21980, 26236, 32795, 37480, 43960, 52472, 65590, 74960, 87920, 104944, 131180, 147109, 262360, 294218, 524720, 588436, 735545, 1029763, 1176872, 1471090, 2059526, 2353744, 2942180, 4119052, 5148815, 5884360, 8238104, 10297630, 11768720, 16476208, 20595260, 41190520, 82381040]

約数ペア:

[(1, 82381040), (2, 41190520), (4, 20595260), (5, 16476208), (7, 11768720), (8, 10297630), (10, 8238104), (14, 5884360), (16, 5148815), (20, 4119052), (28, 2942180), (35, 2353744), (40, 2059526), (56, 1471090), (70, 1176872), (80, 1029763), (112, 735545), (140, 588436), (157, 524720), (280, 294218), (314, 262360), (560, 147109), (628, 131180), (785, 104944), (937, 87920), (1099, 74960), (1256, 65590), (1570, 52472), (1874, 43960), (2198, 37480), (2512, 32795), (3140, 26236), (3748, 21980), (4396, 18740), (4685, 17584), (5495, 14992), (6280, 13118), (6559, 12560), (7496, 10990), (8792, 9370)]