22218320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 90

約数和(自身を含む): 56702286

約数和(自身を除く): 34483966

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 289, 310, 340, 496, 527, 578, 620, 680, 961, 1054, 1156, 1240, 1360, 1445, 1922, 2108, 2312, 2480, 2635, 2890, 3844, 4216, 4624, 4805, 5270, 5780, 7688, 8432, 8959, 9610, 10540, 11560, 15376, 16337, 17918, 19220, 21080, 23120, 32674, 35836, 38440, 42160, 44795, 65348, 71672, 76880, 81685, 89590, 130696, 143344, 163370, 179180, 261392, 277729, 326740, 358360, 555458, 653480, 716720, 1110916, 1306960, 1388645, 2221832, 2777290, 4443664, 5554580, 11109160, 22218320]

約数ペア:

[(1, 22218320), (2, 11109160), (4, 5554580), (5, 4443664), (8, 2777290), (10, 2221832), (16, 1388645), (17, 1306960), (20, 1110916), (31, 716720), (34, 653480), (40, 555458), (62, 358360), (68, 326740), (80, 277729), (85, 261392), (124, 179180), (136, 163370), (155, 143344), (170, 130696), (248, 89590), (272, 81685), (289, 76880), (310, 71672), (340, 65348), (496, 44795), (527, 42160), (578, 38440), (620, 35836), (680, 32674), (961, 23120), (1054, 21080), (1156, 19220), (1240, 17918), (1360, 16337), (1445, 15376), (1922, 11560), (2108, 10540), (2312, 9610), (2480, 8959), (2635, 8432), (2890, 7688), (3844, 5780), (4216, 5270), (4624, 4805)]