5638240

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 13471920

約数和(自身を除く): 7833680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 269, 524, 538, 655, 1048, 1076, 1310, 1345, 2096, 2152, 2620, 2690, 4192, 4304, 5240, 5380, 8608, 10480, 10760, 20960, 21520, 35239, 43040, 70478, 140956, 176195, 281912, 352390, 563824, 704780, 1127648, 1409560, 2819120, 5638240]

約数ペア:

[(1, 5638240), (2, 2819120), (4, 1409560), (5, 1127648), (8, 704780), (10, 563824), (16, 352390), (20, 281912), (32, 176195), (40, 140956), (80, 70478), (131, 43040), (160, 35239), (262, 21520), (269, 20960), (524, 10760), (538, 10480), (655, 8608), (1048, 5380), (1076, 5240), (1310, 4304), (1345, 4192), (2096, 2690), (2152, 2620)]