205650080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 505346688

約数和(自身を除く): 299696608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 80, 86, 142, 160, 172, 215, 284, 344, 355, 421, 430, 568, 688, 710, 842, 860, 1136, 1376, 1420, 1684, 1720, 2105, 2272, 2840, 3053, 3368, 3440, 4210, 5680, 6106, 6736, 6880, 8420, 11360, 12212, 13472, 15265, 16840, 18103, 24424, 29891, 30530, 33680, 36206, 48848, 59782, 61060, 67360, 72412, 90515, 97696, 119564, 122120, 144824, 149455, 181030, 239128, 244240, 289648, 298910, 362060, 478256, 488480, 579296, 597820, 724120, 956512, 1195640, 1285313, 1448240, 2391280, 2570626, 2896480, 4782560, 5141252, 6426565, 10282504, 12853130, 20565008, 25706260, 41130016, 51412520, 102825040, 205650080]

約数ペア:

[(1, 205650080), (2, 102825040), (4, 51412520), (5, 41130016), (8, 25706260), (10, 20565008), (16, 12853130), (20, 10282504), (32, 6426565), (40, 5141252), (43, 4782560), (71, 2896480), (80, 2570626), (86, 2391280), (142, 1448240), (160, 1285313), (172, 1195640), (215, 956512), (284, 724120), (344, 597820), (355, 579296), (421, 488480), (430, 478256), (568, 362060), (688, 298910), (710, 289648), (842, 244240), (860, 239128), (1136, 181030), (1376, 149455), (1420, 144824), (1684, 122120), (1720, 119564), (2105, 97696), (2272, 90515), (2840, 72412), (3053, 67360), (3368, 61060), (3440, 59782), (4210, 48848), (5680, 36206), (6106, 33680), (6736, 30530), (6880, 29891), (8420, 24424), (11360, 18103), (12212, 16840), (13472, 15265)]