85503280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 204986880

約数和(自身を除く): 119483600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 83, 158, 163, 166, 316, 326, 332, 395, 415, 632, 652, 664, 790, 815, 830, 1264, 1304, 1328, 1580, 1630, 1660, 2608, 3160, 3260, 3320, 6320, 6520, 6557, 6640, 12877, 13040, 13114, 13529, 25754, 26228, 27058, 32785, 51508, 52456, 54116, 64385, 65570, 67645, 103016, 104912, 108232, 128770, 131140, 135290, 206032, 216464, 257540, 262280, 270580, 515080, 524560, 541160, 1030160, 1068791, 1082320, 2137582, 4275164, 5343955, 8550328, 10687910, 17100656, 21375820, 42751640, 85503280]

約数ペア:

[(1, 85503280), (2, 42751640), (4, 21375820), (5, 17100656), (8, 10687910), (10, 8550328), (16, 5343955), (20, 4275164), (40, 2137582), (79, 1082320), (80, 1068791), (83, 1030160), (158, 541160), (163, 524560), (166, 515080), (316, 270580), (326, 262280), (332, 257540), (395, 216464), (415, 206032), (632, 135290), (652, 131140), (664, 128770), (790, 108232), (815, 104912), (830, 103016), (1264, 67645), (1304, 65570), (1328, 64385), (1580, 54116), (1630, 52456), (1660, 51508), (2608, 32785), (3160, 27058), (3260, 26228), (3320, 25754), (6320, 13529), (6520, 13114), (6557, 13040), (6640, 12877)]