19520800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1910

約数の個数: 72

約数和(自身を含む): 51348276

約数和(自身を除く): 31827476

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1877, 2080, 2600, 3754, 5200, 7508, 9385, 10400, 15016, 18770, 24401, 30032, 37540, 46925, 48802, 60064, 75080, 93850, 97604, 122005, 150160, 187700, 195208, 244010, 300320, 375400, 390416, 488020, 610025, 750800, 780832, 976040, 1220050, 1501600, 1952080, 2440100, 3904160, 4880200, 9760400, 19520800]

約数ペア:

[(1, 19520800), (2, 9760400), (4, 4880200), (5, 3904160), (8, 2440100), (10, 1952080), (13, 1501600), (16, 1220050), (20, 976040), (25, 780832), (26, 750800), (32, 610025), (40, 488020), (50, 390416), (52, 375400), (65, 300320), (80, 244010), (100, 195208), (104, 187700), (130, 150160), (160, 122005), (200, 97604), (208, 93850), (260, 75080), (325, 60064), (400, 48802), (416, 46925), (520, 37540), (650, 30032), (800, 24401), (1040, 18770), (1300, 15016), (1877, 10400), (2080, 9385), (2600, 7508), (3754, 5200)]