15620840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6619}}^1$

素因数の和:6689

約数の個数: 32

約数和(自身を含む): 35748000

約数和(自身を除く): 20127160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 6619, 13238, 26476, 33095, 52952, 66190, 132380, 264760, 390521, 781042, 1562084, 1952605, 3124168, 3905210, 7810420, 15620840]

約数ペア:

[(1, 15620840), (2, 7810420), (4, 3905210), (5, 3124168), (8, 1952605), (10, 1562084), (20, 781042), (40, 390521), (59, 264760), (118, 132380), (236, 66190), (295, 52952), (472, 33095), (590, 26476), (1180, 13238), (2360, 6619)]