4781027840

素因数分解:

$2^9\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4801}}^1$

素因数の和:5213

約数の個数: 80

約数和(自身を含む): 11495123640

約数和(自身を除く): 6714095800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 512, 640, 778, 1280, 1556, 1945, 2560, 3112, 3890, 4801, 6224, 7780, 9602, 12448, 15560, 19204, 24005, 24896, 31120, 38408, 48010, 49792, 62240, 76816, 96020, 99584, 124480, 153632, 192040, 199168, 248960, 307264, 384080, 497920, 614528, 768160, 995840, 1229056, 1536320, 1867589, 2458112, 3072640, 3735178, 6145280, 7470356, 9337945, 12290560, 14940712, 18675890, 29881424, 37351780, 59762848, 74703560, 119525696, 149407120, 239051392, 298814240, 478102784, 597628480, 956205568, 1195256960, 2390513920, 4781027840]

約数ペア:

[(1, 4781027840), (2, 2390513920), (4, 1195256960), (5, 956205568), (8, 597628480), (10, 478102784), (16, 298814240), (20, 239051392), (32, 149407120), (40, 119525696), (64, 74703560), (80, 59762848), (128, 37351780), (160, 29881424), (256, 18675890), (320, 14940712), (389, 12290560), (512, 9337945), (640, 7470356), (778, 6145280), (1280, 3735178), (1556, 3072640), (1945, 2458112), (2560, 1867589), (3112, 1536320), (3890, 1229056), (4801, 995840), (6224, 768160), (7780, 614528), (9602, 497920), (12448, 384080), (15560, 307264), (19204, 248960), (24005, 199168), (24896, 192040), (31120, 153632), (38408, 124480), (48010, 99584), (49792, 96020), (62240, 76816)]