8136880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 20784384

約数和(自身を除く): 12647504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 193, 248, 272, 310, 340, 386, 496, 527, 620, 680, 772, 965, 1054, 1240, 1360, 1544, 1930, 2108, 2480, 2635, 3088, 3281, 3860, 4216, 5270, 5983, 6562, 7720, 8432, 10540, 11966, 13124, 15440, 16405, 21080, 23932, 26248, 29915, 32810, 42160, 47864, 52496, 59830, 65620, 95728, 101711, 119660, 131240, 203422, 239320, 262480, 406844, 478640, 508555, 813688, 1017110, 1627376, 2034220, 4068440, 8136880]

約数ペア:

[(1, 8136880), (2, 4068440), (4, 2034220), (5, 1627376), (8, 1017110), (10, 813688), (16, 508555), (17, 478640), (20, 406844), (31, 262480), (34, 239320), (40, 203422), (62, 131240), (68, 119660), (80, 101711), (85, 95728), (124, 65620), (136, 59830), (155, 52496), (170, 47864), (193, 42160), (248, 32810), (272, 29915), (310, 26248), (340, 23932), (386, 21080), (496, 16405), (527, 15440), (620, 13124), (680, 11966), (772, 10540), (965, 8432), (1054, 7720), (1240, 6562), (1360, 5983), (1544, 5270), (1930, 4216), (2108, 3860), (2480, 3281), (2635, 3088)]