68699020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2017}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 156629088

約数和(自身を除く): 87930068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2017, 2620, 3406, 4034, 6812, 8068, 8515, 10085, 17030, 20170, 26221, 34060, 40340, 52442, 104884, 131105, 262210, 264227, 524420, 528454, 1056908, 1321135, 2642270, 3434951, 5284540, 6869902, 13739804, 17174755, 34349510, 68699020]

約数ペア:

[(1, 68699020), (2, 34349510), (4, 17174755), (5, 13739804), (10, 6869902), (13, 5284540), (20, 3434951), (26, 2642270), (52, 1321135), (65, 1056908), (130, 528454), (131, 524420), (260, 264227), (262, 262210), (524, 131105), (655, 104884), (1310, 52442), (1703, 40340), (2017, 34060), (2620, 26221), (3406, 20170), (4034, 17030), (6812, 10085), (8068, 8515)]