51120400

素因数分解:

$2^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:808

約数の個数: 60

約数和(自身を含む): 123576912

約数和(自身を除く): 72456512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 227, 400, 454, 563, 908, 1126, 1135, 1816, 2252, 2270, 2815, 3632, 4504, 4540, 5630, 5675, 9008, 9080, 11260, 11350, 14075, 18160, 22520, 22700, 28150, 45040, 45400, 56300, 90800, 112600, 127801, 225200, 255602, 511204, 639005, 1022408, 1278010, 2044816, 2556020, 3195025, 5112040, 6390050, 10224080, 12780100, 25560200, 51120400]

約数ペア:

[(1, 51120400), (2, 25560200), (4, 12780100), (5, 10224080), (8, 6390050), (10, 5112040), (16, 3195025), (20, 2556020), (25, 2044816), (40, 1278010), (50, 1022408), (80, 639005), (100, 511204), (200, 255602), (227, 225200), (400, 127801), (454, 112600), (563, 90800), (908, 56300), (1126, 45400), (1135, 45040), (1816, 28150), (2252, 22700), (2270, 22520), (2815, 18160), (3632, 14075), (4504, 11350), (4540, 11260), (5630, 9080), (5675, 9008)]