53721440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4729}}^1$

素因数の和:4815

約数の個数: 48

約数和(自身を含む): 128731680

約数和(自身を除く): 75010240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 4729, 5680, 9458, 11360, 18916, 23645, 37832, 47290, 75664, 94580, 151328, 189160, 335759, 378320, 671518, 756640, 1343036, 1678795, 2686072, 3357590, 5372144, 6715180, 10744288, 13430360, 26860720, 53721440]

約数ペア:

[(1, 53721440), (2, 26860720), (4, 13430360), (5, 10744288), (8, 6715180), (10, 5372144), (16, 3357590), (20, 2686072), (32, 1678795), (40, 1343036), (71, 756640), (80, 671518), (142, 378320), (160, 335759), (284, 189160), (355, 151328), (568, 94580), (710, 75664), (1136, 47290), (1420, 37832), (2272, 23645), (2840, 18916), (4729, 11360), (5680, 9458)]