744080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 1767744

約数和(自身を除く): 1023664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 131, 142, 262, 284, 355, 524, 568, 655, 710, 1048, 1136, 1310, 1420, 2096, 2620, 2840, 5240, 5680, 9301, 10480, 18602, 37204, 46505, 74408, 93010, 148816, 186020, 372040, 744080]

約数ペア:

[(1, 744080), (2, 372040), (4, 186020), (5, 148816), (8, 93010), (10, 74408), (16, 46505), (20, 37204), (40, 18602), (71, 10480), (80, 9301), (131, 5680), (142, 5240), (262, 2840), (284, 2620), (355, 2096), (524, 1420), (568, 1310), (655, 1136), (710, 1048)]