25657320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16447}}^1$

素因数の和:16474

約数の個数: 64

約数和(自身を含む): 82897920

約数和(自身を除く): 57240600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16447, 32894, 49341, 65788, 82235, 98682, 131576, 164470, 197364, 213811, 246705, 328940, 394728, 427622, 493410, 641433, 657880, 855244, 986820, 1069055, 1282866, 1710488, 1973640, 2138110, 2565732, 3207165, 4276220, 5131464, 6414330, 8552440, 12828660, 25657320]

約数ペア:

[(1, 25657320), (2, 12828660), (3, 8552440), (4, 6414330), (5, 5131464), (6, 4276220), (8, 3207165), (10, 2565732), (12, 2138110), (13, 1973640), (15, 1710488), (20, 1282866), (24, 1069055), (26, 986820), (30, 855244), (39, 657880), (40, 641433), (52, 493410), (60, 427622), (65, 394728), (78, 328940), (104, 246705), (120, 213811), (130, 197364), (156, 164470), (195, 131576), (260, 98682), (312, 82235), (390, 65788), (520, 49341), (780, 32894), (1560, 16447)]