71272640

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3225

約数の個数: 56

約数和(自身を含む): 172163232

約数和(自身を除く): 100890592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3137, 4544, 5680, 6274, 11360, 12548, 15685, 22720, 25096, 31370, 50192, 62740, 100384, 125480, 200768, 222727, 250960, 445454, 501920, 890908, 1003840, 1113635, 1781816, 2227270, 3563632, 4454540, 7127264, 8909080, 14254528, 17818160, 35636320, 71272640]

約数ペア:

[(1, 71272640), (2, 35636320), (4, 17818160), (5, 14254528), (8, 8909080), (10, 7127264), (16, 4454540), (20, 3563632), (32, 2227270), (40, 1781816), (64, 1113635), (71, 1003840), (80, 890908), (142, 501920), (160, 445454), (284, 250960), (320, 222727), (355, 200768), (568, 125480), (710, 100384), (1136, 62740), (1420, 50192), (2272, 31370), (2840, 25096), (3137, 22720), (4544, 15685), (5680, 12548), (6274, 11360)]