7994945920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{960931}}^1$

素因数の和:960963

約数の個数: 64

約数和(自身を含む): 20583163440

約数和(自身を除く): 12588217520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 960931, 1921862, 3843724, 4804655, 7687448, 9609310, 12492103, 15374896, 19218620, 24984206, 30749792, 38437240, 49968412, 61499584, 62460515, 76874480, 99936824, 122999168, 124921030, 153748960, 199873648, 249842060, 307497920, 399747296, 499684120, 614995840, 799494592, 999368240, 1598989184, 1998736480, 3997472960, 7994945920]

約数ペア:

[(1, 7994945920), (2, 3997472960), (4, 1998736480), (5, 1598989184), (8, 999368240), (10, 799494592), (13, 614995840), (16, 499684120), (20, 399747296), (26, 307497920), (32, 249842060), (40, 199873648), (52, 153748960), (64, 124921030), (65, 122999168), (80, 99936824), (104, 76874480), (128, 62460515), (130, 61499584), (160, 49968412), (208, 38437240), (260, 30749792), (320, 24984206), (416, 19218620), (520, 15374896), (640, 12492103), (832, 9609310), (1040, 7687448), (1664, 4804655), (2080, 3843724), (4160, 1921862), (8320, 960931)]