85300280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164039}}^1$

素因数の和:164063

約数の個数: 32

約数和(自身を含む): 206690400

約数和(自身を除く): 121390120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 164039, 328078, 656156, 820195, 1312312, 1640390, 2132507, 3280780, 4265014, 6561560, 8530028, 10662535, 17060056, 21325070, 42650140, 85300280]

約数ペア:

[(1, 85300280), (2, 42650140), (4, 21325070), (5, 17060056), (8, 10662535), (10, 8530028), (13, 6561560), (20, 4265014), (26, 3280780), (40, 2132507), (52, 1640390), (65, 1312312), (104, 820195), (130, 656156), (260, 328078), (520, 164039)]