13396480

素因数分解:

$2^9\times 5^1\times {\mathrm{5233}}^1$

素因数の和:5256

約数の個数: 40

約数和(自身を含む): 32126292

約数和(自身を除く): 18729812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5233, 10466, 20932, 26165, 41864, 52330, 83728, 104660, 167456, 209320, 334912, 418640, 669824, 837280, 1339648, 1674560, 2679296, 3349120, 6698240, 13396480]

約数ペア:

[(1, 13396480), (2, 6698240), (4, 3349120), (5, 2679296), (8, 1674560), (10, 1339648), (16, 837280), (20, 669824), (32, 418640), (40, 334912), (64, 209320), (80, 167456), (128, 104660), (160, 83728), (256, 52330), (320, 41864), (512, 26165), (640, 20932), (1280, 10466), (2560, 5233)]