2016948320

素因数分解:

$2^5\times 5^1\times {\mathrm{617}}^1\times {\mathrm{20431}}^1$

素因数の和:21063

約数の個数: 48

約数和(自身を含む): 4772996928

約数和(自身を除く): 2756048608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 19744, 20431, 24680, 40862, 49360, 81724, 98720, 102155, 163448, 204310, 326896, 408620, 653792, 817240, 1634480, 3268960, 12605927, 25211854, 50423708, 63029635, 100847416, 126059270, 201694832, 252118540, 403389664, 504237080, 1008474160, 2016948320]

約数ペア:

[(1, 2016948320), (2, 1008474160), (4, 504237080), (5, 403389664), (8, 252118540), (10, 201694832), (16, 126059270), (20, 100847416), (32, 63029635), (40, 50423708), (80, 25211854), (160, 12605927), (617, 3268960), (1234, 1634480), (2468, 817240), (3085, 653792), (4936, 408620), (6170, 326896), (9872, 204310), (12340, 163448), (19744, 102155), (20431, 98720), (24680, 81724), (40862, 49360)]