20258809600

素因数分解:

$2^8\times 5^2\times {\mathrm{3165439}}^1$

素因数の和:3165465

約数の個数: 54

約数和(自身を含む): 50143735040

約数和(自身を除く): 29884925440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 3165439, 6330878, 12661756, 15827195, 25323512, 31654390, 50647024, 63308780, 79135975, 101294048, 126617560, 158271950, 202588096, 253235120, 316543900, 405176192, 506470240, 633087800, 810352384, 1012940480, 1266175600, 2025880960, 2532351200, 4051761920, 5064702400, 10129404800, 20258809600]

約数ペア:

[(1, 20258809600), (2, 10129404800), (4, 5064702400), (5, 4051761920), (8, 2532351200), (10, 2025880960), (16, 1266175600), (20, 1012940480), (25, 810352384), (32, 633087800), (40, 506470240), (50, 405176192), (64, 316543900), (80, 253235120), (100, 202588096), (128, 158271950), (160, 126617560), (200, 101294048), (256, 79135975), (320, 63308780), (400, 50647024), (640, 31654390), (800, 25323512), (1280, 15827195), (1600, 12661756), (3200, 6330878), (6400, 3165439)]