81038320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5417}}^1$

素因数の和:5458

約数の個数: 80

約数和(自身を含む): 217673568

約数和(自身を除く): 136635248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 5417, 7480, 10834, 14960, 21668, 27085, 43336, 54170, 59587, 86672, 92089, 108340, 119174, 184178, 216680, 238348, 297935, 368356, 433360, 460445, 476696, 595870, 736712, 920890, 953392, 1012979, 1191740, 1473424, 1841780, 2025958, 2383480, 3683560, 4051916, 4766960, 5064895, 7367120, 8103832, 10129790, 16207664, 20259580, 40519160, 81038320]

約数ペア:

[(1, 81038320), (2, 40519160), (4, 20259580), (5, 16207664), (8, 10129790), (10, 8103832), (11, 7367120), (16, 5064895), (17, 4766960), (20, 4051916), (22, 3683560), (34, 2383480), (40, 2025958), (44, 1841780), (55, 1473424), (68, 1191740), (80, 1012979), (85, 953392), (88, 920890), (110, 736712), (136, 595870), (170, 476696), (176, 460445), (187, 433360), (220, 368356), (272, 297935), (340, 238348), (374, 216680), (440, 184178), (680, 119174), (748, 108340), (880, 92089), (935, 86672), (1360, 59587), (1496, 54170), (1870, 43336), (2992, 27085), (3740, 21668), (5417, 14960), (7480, 10834)]