129487360

素因数分解:

$2^9\times 5^1\times {\mathrm{50581}}^1$

素因数の和:50604

約数の個数: 40

約数和(自身を含む): 310472316

約数和(自身を除く): 180984956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 50581, 101162, 202324, 252905, 404648, 505810, 809296, 1011620, 1618592, 2023240, 3237184, 4046480, 6474368, 8092960, 12948736, 16185920, 25897472, 32371840, 64743680, 129487360]

約数ペア:

[(1, 129487360), (2, 64743680), (4, 32371840), (5, 25897472), (8, 16185920), (10, 12948736), (16, 8092960), (20, 6474368), (32, 4046480), (40, 3237184), (64, 2023240), (80, 1618592), (128, 1011620), (160, 809296), (256, 505810), (320, 404648), (512, 252905), (640, 202324), (1280, 101162), (2560, 50581)]