420712640

素因数分解:

$2^6\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1303}}^1$

素因数の和:2329

約数の個数: 56

約数和(自身を含む): 1003584480

約数和(自身を除く): 582871840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1009, 1303, 2018, 2606, 4036, 5045, 5212, 6515, 8072, 10090, 10424, 13030, 16144, 20180, 20848, 26060, 32288, 40360, 41696, 52120, 64576, 80720, 83392, 104240, 161440, 208480, 322880, 416960, 1314727, 2629454, 5258908, 6573635, 10517816, 13147270, 21035632, 26294540, 42071264, 52589080, 84142528, 105178160, 210356320, 420712640]

約数ペア:

[(1, 420712640), (2, 210356320), (4, 105178160), (5, 84142528), (8, 52589080), (10, 42071264), (16, 26294540), (20, 21035632), (32, 13147270), (40, 10517816), (64, 6573635), (80, 5258908), (160, 2629454), (320, 1314727), (1009, 416960), (1303, 322880), (2018, 208480), (2606, 161440), (4036, 104240), (5045, 83392), (5212, 80720), (6515, 64576), (8072, 52120), (10090, 41696), (10424, 40360), (13030, 32288), (16144, 26060), (20180, 20848)]