38880400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7477}}^1$

素因数の和:7508

約数の個数: 60

約数和(自身を含む): 100609012

約数和(自身を除く): 61728612

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7477, 14954, 29908, 37385, 59816, 74770, 97201, 119632, 149540, 186925, 194402, 299080, 373850, 388804, 486005, 598160, 747700, 777608, 972010, 1495400, 1555216, 1944020, 2430025, 2990800, 3888040, 4860050, 7776080, 9720100, 19440200, 38880400]

約数ペア:

[(1, 38880400), (2, 19440200), (4, 9720100), (5, 7776080), (8, 4860050), (10, 3888040), (13, 2990800), (16, 2430025), (20, 1944020), (25, 1555216), (26, 1495400), (40, 972010), (50, 777608), (52, 747700), (65, 598160), (80, 486005), (100, 388804), (104, 373850), (130, 299080), (200, 194402), (208, 186925), (260, 149540), (325, 119632), (400, 97201), (520, 74770), (650, 59816), (1040, 37385), (1300, 29908), (2600, 14954), (5200, 7477)]