8613020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 19695648

約数和(自身を除く): 11082628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 211, 260, 314, 422, 628, 785, 844, 1055, 1570, 2041, 2110, 2743, 3140, 4082, 4220, 5486, 8164, 10205, 10972, 13715, 20410, 27430, 33127, 40820, 54860, 66254, 132508, 165635, 331270, 430651, 662540, 861302, 1722604, 2153255, 4306510, 8613020]

約数ペア:

[(1, 8613020), (2, 4306510), (4, 2153255), (5, 1722604), (10, 861302), (13, 662540), (20, 430651), (26, 331270), (52, 165635), (65, 132508), (130, 66254), (157, 54860), (211, 40820), (260, 33127), (314, 27430), (422, 20410), (628, 13715), (785, 10972), (844, 10205), (1055, 8164), (1570, 5486), (2041, 4220), (2110, 4082), (2743, 3140)]