81658280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8069}}^1$

素因数の和:8114

約数の個数: 64

約数和(自身を含む): 209174400

約数和(自身を除く): 127516120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 8069, 10120, 16138, 32276, 40345, 64552, 80690, 88759, 161380, 177518, 185587, 322760, 355036, 371174, 443795, 710072, 742348, 887590, 927935, 1484696, 1775180, 1855870, 2041457, 3550360, 3711740, 4082914, 7423480, 8165828, 10207285, 16331656, 20414570, 40829140, 81658280]

約数ペア:

[(1, 81658280), (2, 40829140), (4, 20414570), (5, 16331656), (8, 10207285), (10, 8165828), (11, 7423480), (20, 4082914), (22, 3711740), (23, 3550360), (40, 2041457), (44, 1855870), (46, 1775180), (55, 1484696), (88, 927935), (92, 887590), (110, 742348), (115, 710072), (184, 443795), (220, 371174), (230, 355036), (253, 322760), (440, 185587), (460, 177518), (506, 161380), (920, 88759), (1012, 80690), (1265, 64552), (2024, 40345), (2530, 32276), (5060, 16138), (8069, 10120)]