1279182580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{45137}}^1$

素因数の和:45268

約数の個数: 48

約数和(自身を含む): 2919525840

約数和(自身を除く): 1640343260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 45137, 90274, 180548, 225685, 451370, 586781, 902740, 1173562, 2347124, 2933905, 4919933, 5867810, 9839866, 11735620, 19679732, 24599665, 49199330, 63959129, 98398660, 127918258, 255836516, 319795645, 639591290, 1279182580]

約数ペア:

[(1, 1279182580), (2, 639591290), (4, 319795645), (5, 255836516), (10, 127918258), (13, 98398660), (20, 63959129), (26, 49199330), (52, 24599665), (65, 19679732), (109, 11735620), (130, 9839866), (218, 5867810), (260, 4919933), (436, 2933905), (545, 2347124), (1090, 1173562), (1417, 902740), (2180, 586781), (2834, 451370), (5668, 225685), (7085, 180548), (14170, 90274), (28340, 45137)]