42748880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 90

約数和(自身を含む): 108094086

約数和(自身を除く): 65345206

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 289, 340, 344, 430, 578, 680, 688, 731, 860, 1156, 1360, 1445, 1462, 1720, 1849, 2312, 2890, 2924, 3440, 3655, 3698, 4624, 5780, 5848, 7310, 7396, 9245, 11560, 11696, 12427, 14620, 14792, 18490, 23120, 24854, 29240, 29584, 31433, 36980, 49708, 58480, 62135, 62866, 73960, 99416, 124270, 125732, 147920, 157165, 198832, 248540, 251464, 314330, 497080, 502928, 534361, 628660, 994160, 1068722, 1257320, 2137444, 2514640, 2671805, 4274888, 5343610, 8549776, 10687220, 21374440, 42748880]

約数ペア:

[(1, 42748880), (2, 21374440), (4, 10687220), (5, 8549776), (8, 5343610), (10, 4274888), (16, 2671805), (17, 2514640), (20, 2137444), (34, 1257320), (40, 1068722), (43, 994160), (68, 628660), (80, 534361), (85, 502928), (86, 497080), (136, 314330), (170, 251464), (172, 248540), (215, 198832), (272, 157165), (289, 147920), (340, 125732), (344, 124270), (430, 99416), (578, 73960), (680, 62866), (688, 62135), (731, 58480), (860, 49708), (1156, 36980), (1360, 31433), (1445, 29584), (1462, 29240), (1720, 24854), (1849, 23120), (2312, 18490), (2890, 14792), (2924, 14620), (3440, 12427), (3655, 11696), (3698, 11560), (4624, 9245), (5780, 7396), (5848, 7310)]