129989120

素因数分解:

$2^9\times 5^1\times {\mathrm{50777}}^1$

素因数の和:50800

約数の個数: 40

約数和(自身を含む): 311675364

約数和(自身を除く): 181686244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 50777, 101554, 203108, 253885, 406216, 507770, 812432, 1015540, 1624864, 2031080, 3249728, 4062160, 6499456, 8124320, 12998912, 16248640, 25997824, 32497280, 64994560, 129989120]

約数ペア:

[(1, 129989120), (2, 64994560), (4, 32497280), (5, 25997824), (8, 16248640), (10, 12998912), (16, 8124320), (20, 6499456), (32, 4062160), (40, 3249728), (64, 2031080), (80, 1624864), (128, 1015540), (160, 812432), (256, 507770), (320, 406216), (512, 253885), (640, 203108), (1280, 101554), (2560, 50777)]