20802649600

素因数分解:

$2^9\times 5^2\times {\mathrm{1625207}}^1$

素因数の和:1625235

約数の個数: 60

約数和(自身を含む): 51540221304

約数和(自身を除く): 30737571704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 1625207, 3250414, 6500828, 8126035, 13001656, 16252070, 26003312, 32504140, 40630175, 52006624, 65008280, 81260350, 104013248, 130016560, 162520700, 208026496, 260033120, 325041400, 416052992, 520066240, 650082800, 832105984, 1040132480, 1300165600, 2080264960, 2600331200, 4160529920, 5200662400, 10401324800, 20802649600]

約数ペア:

[(1, 20802649600), (2, 10401324800), (4, 5200662400), (5, 4160529920), (8, 2600331200), (10, 2080264960), (16, 1300165600), (20, 1040132480), (25, 832105984), (32, 650082800), (40, 520066240), (50, 416052992), (64, 325041400), (80, 260033120), (100, 208026496), (128, 162520700), (160, 130016560), (200, 104013248), (256, 81260350), (320, 65008280), (400, 52006624), (512, 40630175), (640, 32504140), (800, 26003312), (1280, 16252070), (1600, 13001656), (2560, 8126035), (3200, 6500828), (6400, 3250414), (12800, 1625207)]