26661140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 37689580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 479, 484, 506, 605, 958, 1012, 1210, 1265, 1916, 2395, 2420, 2530, 2783, 4790, 5060, 5269, 5566, 9580, 10538, 11017, 11132, 13915, 21076, 22034, 26345, 27830, 44068, 52690, 55085, 55660, 57959, 105380, 110170, 115918, 121187, 220340, 231836, 242374, 289795, 484748, 579590, 605935, 1159180, 1211870, 1333057, 2423740, 2666114, 5332228, 6665285, 13330570, 26661140]

約数ペア:

[(1, 26661140), (2, 13330570), (4, 6665285), (5, 5332228), (10, 2666114), (11, 2423740), (20, 1333057), (22, 1211870), (23, 1159180), (44, 605935), (46, 579590), (55, 484748), (92, 289795), (110, 242374), (115, 231836), (121, 220340), (220, 121187), (230, 115918), (242, 110170), (253, 105380), (460, 57959), (479, 55660), (484, 55085), (506, 52690), (605, 44068), (958, 27830), (1012, 26345), (1210, 22034), (1265, 21076), (1916, 13915), (2395, 11132), (2420, 11017), (2530, 10538), (2783, 9580), (4790, 5566), (5060, 5269)]