2599681640

素因数分解:

$2^3\times 5^1\times {\mathrm{9043}}^1\times {\mathrm{7187}}^1$

素因数の和:16241

約数の個数: 32

約数和(自身を含む): 5850744480

約数和(自身を除く): 3251062840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7187, 9043, 14374, 18086, 28748, 35935, 36172, 45215, 57496, 71870, 72344, 90430, 143740, 180860, 287480, 361720, 64992041, 129984082, 259968164, 324960205, 519936328, 649920410, 1299840820, 2599681640]

約数ペア:

[(1, 2599681640), (2, 1299840820), (4, 649920410), (5, 519936328), (8, 324960205), (10, 259968164), (20, 129984082), (40, 64992041), (7187, 361720), (9043, 287480), (14374, 180860), (18086, 143740), (28748, 90430), (35935, 72344), (36172, 71870), (45215, 57496)]