39990608

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 92565504

約数和(自身を除く): 52574896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 71, 94, 107, 112, 142, 188, 214, 284, 329, 376, 428, 497, 568, 658, 749, 752, 856, 994, 1136, 1316, 1498, 1712, 1988, 2632, 2996, 3337, 3976, 5029, 5264, 5992, 6674, 7597, 7952, 10058, 11984, 13348, 15194, 20116, 23359, 26696, 30388, 35203, 40232, 46718, 53179, 53392, 60776, 70406, 80464, 93436, 106358, 121552, 140812, 186872, 212716, 281624, 357059, 373744, 425432, 563248, 714118, 850864, 1428236, 2499413, 2856472, 4998826, 5712944, 9997652, 19995304, 39990608]

約数ペア:

[(1, 39990608), (2, 19995304), (4, 9997652), (7, 5712944), (8, 4998826), (14, 2856472), (16, 2499413), (28, 1428236), (47, 850864), (56, 714118), (71, 563248), (94, 425432), (107, 373744), (112, 357059), (142, 281624), (188, 212716), (214, 186872), (284, 140812), (329, 121552), (376, 106358), (428, 93436), (497, 80464), (568, 70406), (658, 60776), (749, 53392), (752, 53179), (856, 46718), (994, 40232), (1136, 35203), (1316, 30388), (1498, 26696), (1712, 23359), (1988, 20116), (2632, 15194), (2996, 13348), (3337, 11984), (3976, 10058), (5029, 7952), (5264, 7597), (5992, 6674)]