2159440040

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{192121}}^1$

素因数の和:192413

約数の個数: 32

約数和(自身を含む): 4876056360

約数和(自身を除く): 2716616320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 192121, 384242, 768484, 960605, 1536968, 1921210, 3842420, 7684840, 53986001, 107972002, 215944004, 269930005, 431888008, 539860010, 1079720020, 2159440040]

約数ペア:

[(1, 2159440040), (2, 1079720020), (4, 539860010), (5, 431888008), (8, 269930005), (10, 215944004), (20, 107972002), (40, 53986001), (281, 7684840), (562, 3842420), (1124, 1921210), (1405, 1536968), (2248, 960605), (2810, 768484), (5620, 384242), (11240, 192121)]