516115280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{208111}}^1$

素因数の和:208155

約数の個数: 40

約数和(自身を含む): 1238682624

約数和(自身を除く): 722567344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 208111, 416222, 832444, 1040555, 1664888, 2081110, 3329776, 4162220, 6451441, 8324440, 12902882, 16648880, 25805764, 32257205, 51611528, 64514410, 103223056, 129028820, 258057640, 516115280]

約数ペア:

[(1, 516115280), (2, 258057640), (4, 129028820), (5, 103223056), (8, 64514410), (10, 51611528), (16, 32257205), (20, 25805764), (31, 16648880), (40, 12902882), (62, 8324440), (80, 6451441), (124, 4162220), (155, 3329776), (248, 2081110), (310, 1664888), (496, 1040555), (620, 832444), (1240, 416222), (2480, 208111)]