79916180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 171714816

約数和(自身を除く): 91798636

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 167, 284, 334, 337, 355, 668, 674, 710, 835, 1348, 1420, 1670, 1685, 3340, 3370, 6740, 11857, 23714, 23927, 47428, 47854, 56279, 59285, 95708, 112558, 118570, 119635, 225116, 237140, 239270, 281395, 478540, 562790, 1125580, 3995809, 7991618, 15983236, 19979045, 39958090, 79916180]

約数ペア:

[(1, 79916180), (2, 39958090), (4, 19979045), (5, 15983236), (10, 7991618), (20, 3995809), (71, 1125580), (142, 562790), (167, 478540), (284, 281395), (334, 239270), (337, 237140), (355, 225116), (668, 119635), (674, 118570), (710, 112558), (835, 95708), (1348, 59285), (1420, 56279), (1670, 47854), (1685, 47428), (3340, 23927), (3370, 23714), (6740, 11857)]