83489720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2168

約数の個数: 64

約数和(自身を含む): 202370400

約数和(自身を除く): 118880680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2081, 2360, 4012, 4162, 5015, 8024, 8324, 10030, 10405, 16648, 20060, 20810, 35377, 40120, 41620, 70754, 83240, 122779, 141508, 176885, 245558, 283016, 353770, 491116, 613895, 707540, 982232, 1227790, 1415080, 2087243, 2455580, 4174486, 4911160, 8348972, 10436215, 16697944, 20872430, 41744860, 83489720]

約数ペア:

[(1, 83489720), (2, 41744860), (4, 20872430), (5, 16697944), (8, 10436215), (10, 8348972), (17, 4911160), (20, 4174486), (34, 2455580), (40, 2087243), (59, 1415080), (68, 1227790), (85, 982232), (118, 707540), (136, 613895), (170, 491116), (236, 353770), (295, 283016), (340, 245558), (472, 176885), (590, 141508), (680, 122779), (1003, 83240), (1180, 70754), (2006, 41620), (2081, 40120), (2360, 35377), (4012, 20810), (4162, 20060), (5015, 16648), (8024, 10405), (8324, 10030)]