628156640

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9109}}^1$

素因数の和:9555

約数の個数: 48

約数和(自身を含む): 1487626560

約数和(自身を除く): 859469920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 862, 1724, 2155, 3448, 4310, 6896, 8620, 9109, 13792, 17240, 18218, 34480, 36436, 45545, 68960, 72872, 91090, 145744, 182180, 291488, 364360, 728720, 1457440, 3925979, 7851958, 15703916, 19629895, 31407832, 39259790, 62815664, 78519580, 125631328, 157039160, 314078320, 628156640]

約数ペア:

[(1, 628156640), (2, 314078320), (4, 157039160), (5, 125631328), (8, 78519580), (10, 62815664), (16, 39259790), (20, 31407832), (32, 19629895), (40, 15703916), (80, 7851958), (160, 3925979), (431, 1457440), (862, 728720), (1724, 364360), (2155, 291488), (3448, 182180), (4310, 145744), (6896, 91090), (8620, 72872), (9109, 68960), (13792, 45545), (17240, 36436), (18218, 34480)]