4337840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 11228448

約数和(自身を除く): 6890608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 97, 104, 130, 172, 194, 208, 215, 260, 344, 388, 430, 485, 520, 559, 688, 776, 860, 970, 1040, 1118, 1261, 1552, 1720, 1940, 2236, 2522, 2795, 3440, 3880, 4171, 4472, 5044, 5590, 6305, 7760, 8342, 8944, 10088, 11180, 12610, 16684, 20176, 20855, 22360, 25220, 33368, 41710, 44720, 50440, 54223, 66736, 83420, 100880, 108446, 166840, 216892, 271115, 333680, 433784, 542230, 867568, 1084460, 2168920, 4337840]

約数ペア:

[(1, 4337840), (2, 2168920), (4, 1084460), (5, 867568), (8, 542230), (10, 433784), (13, 333680), (16, 271115), (20, 216892), (26, 166840), (40, 108446), (43, 100880), (52, 83420), (65, 66736), (80, 54223), (86, 50440), (97, 44720), (104, 41710), (130, 33368), (172, 25220), (194, 22360), (208, 20855), (215, 20176), (260, 16684), (344, 12610), (388, 11180), (430, 10088), (485, 8944), (520, 8342), (559, 7760), (688, 6305), (776, 5590), (860, 5044), (970, 4472), (1040, 4171), (1118, 3880), (1261, 3440), (1552, 2795), (1720, 2522), (1940, 2236)]