1340692720

素因数分解:

$2^4\times 5^1\times {\mathrm{2879}}^1\times {\mathrm{5821}}^1$

素因数の和:8713

約数の個数: 40

約数和(自身を含む): 3118728960

約数和(自身を除く): 1778036240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2879, 5758, 5821, 11516, 11642, 14395, 23032, 23284, 28790, 29105, 46064, 46568, 57580, 58210, 93136, 115160, 116420, 230320, 232840, 465680, 16758659, 33517318, 67034636, 83793295, 134069272, 167586590, 268138544, 335173180, 670346360, 1340692720]

約数ペア:

[(1, 1340692720), (2, 670346360), (4, 335173180), (5, 268138544), (8, 167586590), (10, 134069272), (16, 83793295), (20, 67034636), (40, 33517318), (80, 16758659), (2879, 465680), (5758, 232840), (5821, 230320), (11516, 116420), (11642, 115160), (14395, 93136), (23032, 58210), (23284, 57580), (28790, 46568), (29105, 46064)]