20194269080

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{314161}}^1$

素因数の和:315779

約数の個数: 32

約数和(自身を含む): 45465524640

約数和(自身を除く): 25271255560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 3214, 6428, 8035, 12856, 16070, 32140, 64280, 314161, 628322, 1256644, 1570805, 2513288, 3141610, 6283220, 12566440, 504856727, 1009713454, 2019426908, 2524283635, 4038853816, 5048567270, 10097134540, 20194269080]

約数ペア:

[(1, 20194269080), (2, 10097134540), (4, 5048567270), (5, 4038853816), (8, 2524283635), (10, 2019426908), (20, 1009713454), (40, 504856727), (1607, 12566440), (3214, 6283220), (6428, 3141610), (8035, 2513288), (12856, 1570805), (16070, 1256644), (32140, 628322), (64280, 314161)]