201585920

素因数分解:

$2^8\times 5^1\times {\mathrm{157489}}^1$

素因数の和:157510

約数の個数: 36

約数和(自身を含む): 482864340

約数和(自身を除く): 281278420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 157489, 314978, 629956, 787445, 1259912, 1574890, 2519824, 3149780, 5039648, 6299560, 10079296, 12599120, 20158592, 25198240, 40317184, 50396480, 100792960, 201585920]

約数ペア:

[(1, 201585920), (2, 100792960), (4, 50396480), (5, 40317184), (8, 25198240), (10, 20158592), (16, 12599120), (20, 10079296), (32, 6299560), (40, 5039648), (64, 3149780), (80, 2519824), (128, 1574890), (160, 1259912), (256, 787445), (320, 629956), (640, 314978), (1280, 157489)]