39884260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 90965952

約数和(自身を除く): 51081692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1171, 1310, 1703, 2342, 2620, 3406, 4684, 5855, 6812, 8515, 11710, 15223, 17030, 23420, 30446, 34060, 60892, 76115, 152230, 153401, 304460, 306802, 613604, 767005, 1534010, 1994213, 3068020, 3988426, 7976852, 9971065, 19942130, 39884260]

約数ペア:

[(1, 39884260), (2, 19942130), (4, 9971065), (5, 7976852), (10, 3988426), (13, 3068020), (20, 1994213), (26, 1534010), (52, 767005), (65, 613604), (130, 306802), (131, 304460), (260, 153401), (262, 152230), (524, 76115), (655, 60892), (1171, 34060), (1310, 30446), (1703, 23420), (2342, 17030), (2620, 15223), (3406, 11710), (4684, 8515), (5855, 6812)]