39960310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2063}}^1$

素因数の和:2232

約数の個数: 32

約数和(自身を含む): 78019200

約数和(自身を除く): 38058890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 2063, 3874, 4126, 9685, 10315, 19370, 20630, 26819, 53638, 134095, 268190, 307387, 614774, 1536935, 3073870, 3996031, 7992062, 19980155, 39960310]

約数ペア:

[(1, 39960310), (2, 19980155), (5, 7992062), (10, 3996031), (13, 3073870), (26, 1536935), (65, 614774), (130, 307387), (149, 268190), (298, 134095), (745, 53638), (1490, 26819), (1937, 20630), (2063, 19370), (3874, 10315), (4126, 9685)]