208193600

素因数分解:

$2^6\times 5^2\times {\mathrm{130121}}^1$

素因数の和:130143

約数の個数: 42

約数和(自身を含む): 512290314

約数和(自身を除く): 304096714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 130121, 260242, 520484, 650605, 1040968, 1301210, 2081936, 2602420, 3253025, 4163872, 5204840, 6506050, 8327744, 10409680, 13012100, 20819360, 26024200, 41638720, 52048400, 104096800, 208193600]

約数ペア:

[(1, 208193600), (2, 104096800), (4, 52048400), (5, 41638720), (8, 26024200), (10, 20819360), (16, 13012100), (20, 10409680), (25, 8327744), (32, 6506050), (40, 5204840), (50, 4163872), (64, 3253025), (80, 2602420), (100, 2081936), (160, 1301210), (200, 1040968), (320, 650605), (400, 520484), (800, 260242), (1600, 130121)]