83198980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 180956160

約数和(自身を除く): 97757180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1087, 1780, 2174, 3827, 4348, 5435, 7654, 10870, 15308, 19135, 21740, 38270, 46741, 76540, 93482, 96743, 186964, 193486, 233705, 386972, 467410, 483715, 934820, 967430, 1934860, 4159949, 8319898, 16639796, 20799745, 41599490, 83198980]

約数ペア:

[(1, 83198980), (2, 41599490), (4, 20799745), (5, 16639796), (10, 8319898), (20, 4159949), (43, 1934860), (86, 967430), (89, 934820), (172, 483715), (178, 467410), (215, 386972), (356, 233705), (430, 193486), (445, 186964), (860, 96743), (890, 93482), (1087, 76540), (1780, 46741), (2174, 38270), (3827, 21740), (4348, 19135), (5435, 15308), (7654, 10870)]