2912087320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1775663}}^1$

素因数の和:1775715

約数の個数: 32

約数和(自身を含む): 6712009920

約数和(自身を除く): 3799922600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1775663, 3551326, 7102652, 8878315, 14205304, 17756630, 35513260, 71026520, 72802183, 145604366, 291208732, 364010915, 582417464, 728021830, 1456043660, 2912087320]

約数ペア:

[(1, 2912087320), (2, 1456043660), (4, 728021830), (5, 582417464), (8, 364010915), (10, 291208732), (20, 145604366), (40, 72802183), (41, 71026520), (82, 35513260), (164, 17756630), (205, 14205304), (328, 8878315), (410, 7102652), (820, 3551326), (1640, 1775663)]