80221180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 112830980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 37, 52, 62, 65, 74, 124, 130, 148, 155, 185, 260, 269, 310, 370, 403, 481, 538, 620, 740, 806, 962, 1076, 1147, 1345, 1612, 1924, 2015, 2294, 2405, 2690, 3497, 4030, 4588, 4810, 5380, 5735, 6994, 8060, 8339, 9620, 9953, 11470, 13988, 14911, 16678, 17485, 19906, 22940, 29822, 33356, 34970, 39812, 41695, 49765, 59644, 69940, 74555, 83390, 99530, 108407, 129389, 149110, 166780, 199060, 216814, 258778, 298220, 308543, 433628, 517556, 542035, 617086, 646945, 1084070, 1234172, 1293890, 1542715, 2168140, 2587780, 3085430, 4011059, 6170860, 8022118, 16044236, 20055295, 40110590, 80221180]

約数ペア:

[(1, 80221180), (2, 40110590), (4, 20055295), (5, 16044236), (10, 8022118), (13, 6170860), (20, 4011059), (26, 3085430), (31, 2587780), (37, 2168140), (52, 1542715), (62, 1293890), (65, 1234172), (74, 1084070), (124, 646945), (130, 617086), (148, 542035), (155, 517556), (185, 433628), (260, 308543), (269, 298220), (310, 258778), (370, 216814), (403, 199060), (481, 166780), (538, 149110), (620, 129389), (740, 108407), (806, 99530), (962, 83390), (1076, 74555), (1147, 69940), (1345, 59644), (1612, 49765), (1924, 41695), (2015, 39812), (2294, 34970), (2405, 33356), (2690, 29822), (3497, 22940), (4030, 19906), (4588, 17485), (4810, 16678), (5380, 14911), (5735, 13988), (6994, 11470), (8060, 9953), (8339, 9620)]