38408720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 103171968

約数和(自身を除く): 64763248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 641, 749, 856, 1070, 1282, 1498, 1712, 2140, 2564, 2996, 3205, 3745, 4280, 4487, 5128, 5992, 6410, 7490, 8560, 8974, 10256, 11984, 12820, 14980, 17948, 22435, 25640, 29960, 35896, 44870, 51280, 59920, 68587, 71792, 89740, 137174, 179480, 274348, 342935, 358960, 480109, 548696, 685870, 960218, 1097392, 1371740, 1920436, 2400545, 2743480, 3840872, 4801090, 5486960, 7681744, 9602180, 19204360, 38408720]

約数ペア:

[(1, 38408720), (2, 19204360), (4, 9602180), (5, 7681744), (7, 5486960), (8, 4801090), (10, 3840872), (14, 2743480), (16, 2400545), (20, 1920436), (28, 1371740), (35, 1097392), (40, 960218), (56, 685870), (70, 548696), (80, 480109), (107, 358960), (112, 342935), (140, 274348), (214, 179480), (280, 137174), (428, 89740), (535, 71792), (560, 68587), (641, 59920), (749, 51280), (856, 44870), (1070, 35896), (1282, 29960), (1498, 25640), (1712, 22435), (2140, 17948), (2564, 14980), (2996, 12820), (3205, 11984), (3745, 10256), (4280, 8974), (4487, 8560), (5128, 7490), (5992, 6410)]