82556240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 208403328

約数和(自身を除く): 125847088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 487, 520, 652, 815, 974, 1040, 1304, 1630, 1948, 2119, 2435, 2608, 3260, 3896, 4238, 4870, 6331, 6520, 7792, 8476, 9740, 10595, 12662, 13040, 16952, 19480, 21190, 25324, 31655, 33904, 38960, 42380, 50648, 63310, 79381, 84760, 101296, 126620, 158762, 169520, 253240, 317524, 396905, 506480, 635048, 793810, 1031953, 1270096, 1587620, 2063906, 3175240, 4127812, 5159765, 6350480, 8255624, 10319530, 16511248, 20639060, 41278120, 82556240]

約数ペア:

[(1, 82556240), (2, 41278120), (4, 20639060), (5, 16511248), (8, 10319530), (10, 8255624), (13, 6350480), (16, 5159765), (20, 4127812), (26, 3175240), (40, 2063906), (52, 1587620), (65, 1270096), (80, 1031953), (104, 793810), (130, 635048), (163, 506480), (208, 396905), (260, 317524), (326, 253240), (487, 169520), (520, 158762), (652, 126620), (815, 101296), (974, 84760), (1040, 79381), (1304, 63310), (1630, 50648), (1948, 42380), (2119, 38960), (2435, 33904), (2608, 31655), (3260, 25324), (3896, 21190), (4238, 19480), (4870, 16952), (6331, 13040), (6520, 12662), (7792, 10595), (8476, 9740)]