2018564560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328003}}^1$

素因数の和:1328035

約数の個数: 40

約数和(自身を含む): 4940174880

約数和(自身を除く): 2921610320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328003, 2656006, 5312012, 6640015, 10624024, 13280030, 21248048, 25232057, 26560060, 50464114, 53120120, 100928228, 106240240, 126160285, 201856456, 252320570, 403712912, 504641140, 1009282280, 2018564560]

約数ペア:

[(1, 2018564560), (2, 1009282280), (4, 504641140), (5, 403712912), (8, 252320570), (10, 201856456), (16, 126160285), (19, 106240240), (20, 100928228), (38, 53120120), (40, 50464114), (76, 26560060), (80, 25232057), (95, 21248048), (152, 13280030), (190, 10624024), (304, 6640015), (380, 5312012), (760, 2656006), (1520, 1328003)]