26438450480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{20551}}^1$

素因数の和:21814

約数の個数: 80

約数和(自身を含む): 66254551104

約数和(自身を除く): 39816100624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1237, 2474, 4948, 6185, 9896, 12370, 16081, 19792, 20551, 24740, 32162, 41102, 49480, 64324, 80405, 82204, 98960, 102755, 128648, 160810, 164408, 205510, 257296, 267163, 321620, 328816, 411020, 534326, 643240, 822040, 1068652, 1286480, 1335815, 1644080, 2137304, 2671630, 4274608, 5343260, 10686520, 21373040, 25421587, 50843174, 101686348, 127107935, 203372696, 254215870, 330480631, 406745392, 508431740, 660961262, 1016863480, 1321922524, 1652403155, 2033726960, 2643845048, 3304806310, 5287690096, 6609612620, 13219225240, 26438450480]

約数ペア:

[(1, 26438450480), (2, 13219225240), (4, 6609612620), (5, 5287690096), (8, 3304806310), (10, 2643845048), (13, 2033726960), (16, 1652403155), (20, 1321922524), (26, 1016863480), (40, 660961262), (52, 508431740), (65, 406745392), (80, 330480631), (104, 254215870), (130, 203372696), (208, 127107935), (260, 101686348), (520, 50843174), (1040, 25421587), (1237, 21373040), (2474, 10686520), (4948, 5343260), (6185, 4274608), (9896, 2671630), (12370, 2137304), (16081, 1644080), (19792, 1335815), (20551, 1286480), (24740, 1068652), (32162, 822040), (41102, 643240), (49480, 534326), (64324, 411020), (80405, 328816), (82204, 321620), (98960, 267163), (102755, 257296), (128648, 205510), (160810, 164408)]