16164560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 39806976

約数和(自身を除く): 23642416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 127, 148, 172, 185, 215, 254, 296, 344, 370, 430, 508, 592, 635, 688, 740, 860, 1016, 1270, 1480, 1591, 1720, 2032, 2540, 2960, 3182, 3440, 4699, 5080, 5461, 6364, 7955, 9398, 10160, 10922, 12728, 15910, 18796, 21844, 23495, 25456, 27305, 31820, 37592, 43688, 46990, 54610, 63640, 75184, 87376, 93980, 109220, 127280, 187960, 202057, 218440, 375920, 404114, 436880, 808228, 1010285, 1616456, 2020570, 3232912, 4041140, 8082280, 16164560]

約数ペア:

[(1, 16164560), (2, 8082280), (4, 4041140), (5, 3232912), (8, 2020570), (10, 1616456), (16, 1010285), (20, 808228), (37, 436880), (40, 404114), (43, 375920), (74, 218440), (80, 202057), (86, 187960), (127, 127280), (148, 109220), (172, 93980), (185, 87376), (215, 75184), (254, 63640), (296, 54610), (344, 46990), (370, 43688), (430, 37592), (508, 31820), (592, 27305), (635, 25456), (688, 23495), (740, 21844), (860, 18796), (1016, 15910), (1270, 12728), (1480, 10922), (1591, 10160), (1720, 9398), (2032, 7955), (2540, 6364), (2960, 5461), (3182, 5080), (3440, 4699)]