2820008320

素因数分解:

$2^7\times 5^1\times {\mathrm{233}}^1\times {\mathrm{18911}}^1$

素因数の和:19163

約数の個数: 64

約数和(自身を含む): 6770874240

約数和(自身を除く): 3950865920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 320, 466, 640, 932, 1165, 1864, 2330, 3728, 4660, 7456, 9320, 14912, 18640, 18911, 29824, 37280, 37822, 74560, 75644, 94555, 149120, 151288, 189110, 302576, 378220, 605152, 756440, 1210304, 1512880, 2420608, 3025760, 4406263, 6051520, 8812526, 12103040, 17625052, 22031315, 35250104, 44062630, 70500208, 88125260, 141000416, 176250520, 282000832, 352501040, 564001664, 705002080, 1410004160, 2820008320]

約数ペア:

[(1, 2820008320), (2, 1410004160), (4, 705002080), (5, 564001664), (8, 352501040), (10, 282000832), (16, 176250520), (20, 141000416), (32, 88125260), (40, 70500208), (64, 44062630), (80, 35250104), (128, 22031315), (160, 17625052), (233, 12103040), (320, 8812526), (466, 6051520), (640, 4406263), (932, 3025760), (1165, 2420608), (1864, 1512880), (2330, 1210304), (3728, 756440), (4660, 605152), (7456, 378220), (9320, 302576), (14912, 189110), (18640, 151288), (18911, 149120), (29824, 94555), (37280, 75644), (37822, 74560)]