31119400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11969}}^1$

素因数の和:11998

約数の個数: 48

約数和(自身を含む): 77924700

約数和(自身を除く): 46805300

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11969, 23938, 47876, 59845, 95752, 119690, 155597, 239380, 299225, 311194, 478760, 598450, 622388, 777985, 1196900, 1244776, 1555970, 2393800, 3111940, 3889925, 6223880, 7779850, 15559700, 31119400]

約数ペア:

[(1, 31119400), (2, 15559700), (4, 7779850), (5, 6223880), (8, 3889925), (10, 3111940), (13, 2393800), (20, 1555970), (25, 1244776), (26, 1196900), (40, 777985), (50, 622388), (52, 598450), (65, 478760), (100, 311194), (104, 299225), (130, 239380), (200, 155597), (260, 119690), (325, 95752), (520, 59845), (650, 47876), (1300, 23938), (2600, 11969)]