1305924394520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1\times {\mathrm{511061}}^1$

素因数の和:511596

約数の個数: 64

約数和(自身を含む): 2962483316640

約数和(自身を除く): 1656558922120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 331, 386, 662, 772, 965, 1324, 1544, 1655, 1930, 2648, 3310, 3860, 6620, 7720, 13240, 63883, 127766, 255532, 319415, 511061, 511064, 638830, 1022122, 1277660, 2044244, 2555305, 2555320, 4088488, 5110610, 10221220, 20442440, 98634773, 169161191, 197269546, 338322382, 394539092, 493173865, 676644764, 789078184, 845805955, 986347730, 1353289528, 1691611910, 1972695460, 3383223820, 3945390920, 6766447640, 32648109863, 65296219726, 130592439452, 163240549315, 261184878904, 326481098630, 652962197260, 1305924394520]

約数ペア:

[(1, 1305924394520), (2, 652962197260), (4, 326481098630), (5, 261184878904), (8, 163240549315), (10, 130592439452), (20, 65296219726), (40, 32648109863), (193, 6766447640), (331, 3945390920), (386, 3383223820), (662, 1972695460), (772, 1691611910), (965, 1353289528), (1324, 986347730), (1544, 845805955), (1655, 789078184), (1930, 676644764), (2648, 493173865), (3310, 394539092), (3860, 338322382), (6620, 197269546), (7720, 169161191), (13240, 98634773), (63883, 20442440), (127766, 10221220), (255532, 5110610), (319415, 4088488), (511061, 2555320), (511064, 2555305), (638830, 2044244), (1022122, 1277660)]