253126400

素因数分解:

$2^8\times 5^2\times {\mathrm{39551}}^1$

素因数の和:39577

約数の個数: 54

約数和(自身を含む): 626543232

約数和(自身を除く): 373416832

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, 39551, 79102, 158204, 197755, 316408, 395510, 632816, 791020, 988775, 1265632, 1582040, 1977550, 2531264, 3164080, 3955100, 5062528, 6328160, 7910200, 10125056, 12656320, 15820400, 25312640, 31640800, 50625280, 63281600, 126563200, 253126400]

約数ペア:

[(1, 253126400), (2, 126563200), (4, 63281600), (5, 50625280), (8, 31640800), (10, 25312640), (16, 15820400), (20, 12656320), (25, 10125056), (32, 7910200), (40, 6328160), (50, 5062528), (64, 3955100), (80, 3164080), (100, 2531264), (128, 1977550), (160, 1582040), (200, 1265632), (256, 988775), (320, 791020), (400, 632816), (640, 395510), (800, 316408), (1280, 197755), (1600, 158204), (3200, 79102), (6400, 39551)]