42556280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81839}}^1$

素因数の和:81863

約数の個数: 32

約数和(自身を含む): 103118400

約数和(自身を除く): 60562120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81839, 163678, 327356, 409195, 654712, 818390, 1063907, 1636780, 2127814, 3273560, 4255628, 5319535, 8511256, 10639070, 21278140, 42556280]

約数ペア:

[(1, 42556280), (2, 21278140), (4, 10639070), (5, 8511256), (8, 5319535), (10, 4255628), (13, 3273560), (20, 2127814), (26, 1636780), (40, 1063907), (52, 818390), (65, 654712), (104, 409195), (130, 327356), (260, 163678), (520, 81839)]