56408080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9931}}^1$

素因数の和:10015

約数の個数: 40

約数和(自身を含む): 133009344

約数和(自身を除く): 76601264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9931, 19862, 39724, 49655, 79448, 99310, 158896, 198620, 397240, 705101, 794480, 1410202, 2820404, 3525505, 5640808, 7051010, 11281616, 14102020, 28204040, 56408080]

約数ペア:

[(1, 56408080), (2, 28204040), (4, 14102020), (5, 11281616), (8, 7051010), (10, 5640808), (16, 3525505), (20, 2820404), (40, 1410202), (71, 794480), (80, 705101), (142, 397240), (284, 198620), (355, 158896), (568, 99310), (710, 79448), (1136, 49655), (1420, 39724), (2840, 19862), (5680, 9931)]