13280800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1310

約数の個数: 72

約数和(自身を含む): 34943076

約数和(自身を除く): 21662276

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, 1277, 1300, 2080, 2554, 2600, 5108, 5200, 6385, 10216, 10400, 12770, 16601, 20432, 25540, 31925, 33202, 40864, 51080, 63850, 66404, 83005, 102160, 127700, 132808, 166010, 204320, 255400, 265616, 332020, 415025, 510800, 531232, 664040, 830050, 1021600, 1328080, 1660100, 2656160, 3320200, 6640400, 13280800]

約数ペア:

[(1, 13280800), (2, 6640400), (4, 3320200), (5, 2656160), (8, 1660100), (10, 1328080), (13, 1021600), (16, 830050), (20, 664040), (25, 531232), (26, 510800), (32, 415025), (40, 332020), (50, 265616), (52, 255400), (65, 204320), (80, 166010), (100, 132808), (104, 127700), (130, 102160), (160, 83005), (200, 66404), (208, 63850), (260, 51080), (325, 40864), (400, 33202), (416, 31925), (520, 25540), (650, 20432), (800, 16601), (1040, 12770), (1277, 10400), (1300, 10216), (2080, 6385), (2554, 5200), (2600, 5108)]