201639002080

素因数分解:

$2^5\times 5^1\times {\mathrm{59617}}^1\times {\mathrm{21139}}^1$

素因数の和:80771

約数の個数: 48

約数和(自身を含む): 476402668560

約数和(自身を除く): 274763666480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 21139, 42278, 59617, 84556, 105695, 119234, 169112, 211390, 238468, 298085, 338224, 422780, 476936, 596170, 676448, 845560, 953872, 1192340, 1691120, 1907744, 2384680, 3382240, 4769360, 9538720, 1260243763, 2520487526, 5040975052, 6301218815, 10081950104, 12602437630, 20163900208, 25204875260, 40327800416, 50409750520, 100819501040, 201639002080]

約数ペア:

[(1, 201639002080), (2, 100819501040), (4, 50409750520), (5, 40327800416), (8, 25204875260), (10, 20163900208), (16, 12602437630), (20, 10081950104), (32, 6301218815), (40, 5040975052), (80, 2520487526), (160, 1260243763), (21139, 9538720), (42278, 4769360), (59617, 3382240), (84556, 2384680), (105695, 1907744), (119234, 1691120), (169112, 1192340), (211390, 953872), (238468, 845560), (298085, 676448), (338224, 596170), (422780, 476936)]