25427280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2068

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 54924720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1999, 2120, 2544, 3180, 3998, 4240, 5997, 6360, 7996, 9995, 11994, 12720, 15992, 19990, 23988, 29985, 31984, 39980, 47976, 59970, 79960, 95952, 105947, 119940, 159920, 211894, 239880, 317841, 423788, 479760, 529735, 635682, 847576, 1059470, 1271364, 1589205, 1695152, 2118940, 2542728, 3178410, 4237880, 5085456, 6356820, 8475760, 12713640, 25427280]

約数ペア:

[(1, 25427280), (2, 12713640), (3, 8475760), (4, 6356820), (5, 5085456), (6, 4237880), (8, 3178410), (10, 2542728), (12, 2118940), (15, 1695152), (16, 1589205), (20, 1271364), (24, 1059470), (30, 847576), (40, 635682), (48, 529735), (53, 479760), (60, 423788), (80, 317841), (106, 239880), (120, 211894), (159, 159920), (212, 119940), (240, 105947), (265, 95952), (318, 79960), (424, 59970), (530, 47976), (636, 39980), (795, 31984), (848, 29985), (1060, 23988), (1272, 19990), (1590, 15992), (1999, 12720), (2120, 11994), (2544, 9995), (3180, 7996), (3998, 6360), (4240, 5997)]